113213133256 has 8 divisors (see below), whose sum is σ = 212274624870. Its totient is φ = 56606566624.

The previous prime is 113213133239. The next prime is 113213133301. The reversal of 113213133256 is 652331312311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 111950468100 + 1262665156 = 334590^2 + 35534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7075820821 + ... + 7075820836.

Almost surely, 2^113213133256 is an apocalyptic number.

It is an amenable number.

113213133256 is a deficient number, since it is larger than the sum of its proper divisors (99061491614).

113213133256 is a wasteful number, since it uses less digits than its factorization.

113213133256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151641663 (or 14151641659 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

Adding to 113213133256 its reverse (652331312311), we get a palindrome (765544445567).

The spelling of 113213133256 in words is "one hundred thirteen billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred fifty-six".