113256231156 has 30 divisors (see below), whose sum is σ = 296074160690. Its totient is φ = 37752076944.

The previous prime is 113256231139. The next prime is 113256231157. The reversal of 113256231156 is 651132652311.

113256231156 is a `hidden beast` number, since 1 + 1 + 3 + 25 + 623 + 1 + 1 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 107439728400 + 5816502756 = 327780^2 + 76266^2 .

It is a super-2 number, since 2×113256231156² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 113256231156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113256231157) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 174777811 + ... + 174778458.

Almost surely, 2^113256231156 is an apocalyptic number.

It is an amenable number.

113256231156 is an abundant number, since it is smaller than the sum of its proper divisors (182817929534).

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

113256231156 is a wasteful number, since it uses less digits than its factorization.

113256231156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349556285 (or 349556274 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

Adding to 113256231156 its reverse (651132652311), we get a palindrome (764388883467).

The spelling of 113256231156 in words is "one hundred thirteen billion, two hundred fifty-six million, two hundred thirty-one thousand, one hundred fifty-six".