113215656 has 16 divisors (see below), whose sum is σ = 283039200. Its totient is φ = 37738544.

The previous prime is 113215651. The next prime is 113215657. The reversal of 113215656 is 656512311.

It is not an unprimeable number, because it can be changed into a prime (113215651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2358636 + ... + 2358683.

It is an arithmetic number, because the mean of its divisors is an integer number (17689950).

Almost surely, 2^113215656 is an apocalyptic number.

It is an amenable number.

113215656 is an abundant number, since it is smaller than the sum of its proper divisors (169823544).

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

113215656 is a wasteful number, since it uses less digits than its factorization.

113215656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717328 (or 4717324 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 113215656 is about 10640.2845826604. The cubic root of 113215656 is about 483.7661712306.

Adding to 113215656 its reverse (656512311), we get a palindrome (769727967).

The spelling of 113215656 in words is "one hundred thirteen million, two hundred fifteen thousand, six hundred fifty-six".