113522520172 has 12 divisors (see below), whose sum is σ = 199311527800. Its totient is φ = 56576369376.

The previous prime is 113522520161. The next prime is 113522520229. The reversal of 113522520172 is 271025225311.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46221297 + ... + 46223752.

Almost surely, 2^113522520172 is an apocalyptic number.

It is an amenable number.

113522520172 is a deficient number, since it is larger than the sum of its proper divisors (85789007628).

113522520172 is a wasteful number, since it uses less digits than its factorization.

113522520172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92445360 (or 92445358 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 113522520172 its reverse (271025225311), we get a palindrome (384547745483).

The spelling of 113522520172 in words is "one hundred thirteen billion, five hundred twenty-two million, five hundred twenty thousand, one hundred seventy-two".