It is a weak prime.
It is a cyclic number.
It is a congruent number.
Almost surely, 211983412708191 is an apocalyptic number.
11983412708191 is an equidigital number, since it uses as much as digits as its factorization.
11983412708191 is an evil number, because the sum of its binary digits is even.
The spelling of 11983412708191 in words is "eleven trillion, nine hundred eighty-three billion, four hundred twelve million, seven hundred eight thousand, one hundred ninety-one".