113204203656 has 64 divisors (see below), whose sum is σ = 285728688000. Its totient is φ = 37372812288.

The previous prime is 113204203649. The next prime is 113204203669. The reversal of 113204203656 is 656302402311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3779170 + ... + 3809006.

It is an arithmetic number, because the mean of its divisors is an integer number (4464510750).

Almost surely, 2^113204203656 is an apocalyptic number.

It is an amenable number.

113204203656 is an abundant number, since it is smaller than the sum of its proper divisors (172524484344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113204203656 is a wasteful number, since it uses less digits than its factorization.

113204203656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31358 (or 31354 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 113204203656 its reverse (656302402311), we get a palindrome (769506605967).

The spelling of 113204203656 in words is "one hundred thirteen billion, two hundred four million, two hundred three thousand, six hundred fifty-six".