FIXING MEMBER AND HEAT FIXING DEVICE

Provided is a fixing member includes: a substrate; and an elastic layer on the substrate, wherein the elastic layer contains a rubber and fillers dispersed in the rubber, and wherein an average value of area ratios of large-particle diameter fillers is 20% or more and 40% or less, and the large-particle diameter fillers have an average array degree fL of 0.00 or more and 0.15 or less, an average value of an area ratios of small-particle diameter fillers is 10% or more and 20% or less, the small-particle diameter fillers have an average array degree fS of 0.20 or more and 0.50 or less, and the small-particle diameter fillers have an average array angle ΦS of 60° or more and 120° or less.