Octacontogon is its real name. But, really, for any shape with a side number higher than ten, you can just append the suffix -gon to the number, i.e. 12-gon, 56-gon, et cetera.
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An 80 sided shape is called a Octacontagon.
An 11 sided shape is an Eptogon
A nine sided shape or polygon is called a nonagon.
Why not just call it "a 130-sided shape"? because its not called that, spaz.
A five sided geometric shape is called a pentagon.