113256233136 has 120 divisors (see below), whose sum is σ = 324070418880. Its totient is φ = 36907020288.

The previous prime is 113256233131. The next prime is 113256233147. The reversal of 113256233136 is 631332652311.

113256233136 is a `hidden beast` number, since 1 + 1 + 3 + 25 + 623 + 3 + 1 + 3 + 6 = 666.

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 113256233136.

It is not an unprimeable number, because it can be changed into a prime (113256233131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6278466 + ... + 6296478.

It is an arithmetic number, because the mean of its divisors is an integer number (2700586824).

Almost surely, 2^113256233136 is an apocalyptic number.

113256233136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113256233136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162035209440).

113256233136 is an abundant number, since it is smaller than the sum of its proper divisors (210814185744).

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

113256233136 is a wasteful number, since it uses less digits than its factorization.

113256233136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19003 (or 18994 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

Adding to 113256233136 its reverse (631332652311), we get a palindrome (744588885447).

The spelling of 113256233136 in words is "one hundred thirteen billion, two hundred fifty-six million, two hundred thirty-three thousand, one hundred thirty-six".