116806203521 has 16 divisors (see below), whose sum is σ = 135418378368.
Its totient is φ = 98685216000.
The previous prime is 116806203511. The next prime is 116806203523. The reversal of 116806203521 is 125302608611.
It is not a de Polignac number, because 116806203521 - 234 = 99626334337 is a prime.
It is not an unprimeable number, because it can be changed into a prime (116806203523) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264755 + ... + 551096.
It is an arithmetic number, because the mean of its divisors is an integer number (8463648648).
Almost surely, 2116806203521 is an apocalyptic number.
It is an amenable number.
116806203521 is a deficient number, since it is larger than the sum of its proper divisors (18612174847).
116806203521 is a wasteful number, since it uses less digits than its factorization.
116806203521 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 816152.
The product of its (nonzero) digits is 17280, while the sum is 35.
The spelling of 116806203521 in words is "one hundred sixteen billion, eight hundred six million, two hundred three thousand, five hundred twenty-one".