113587537896 has 128 divisors (see below), whose sum is σ = 360729926400. Its totient is φ = 32441472000.

The previous prime is 113587537891. The next prime is 113587537897. The reversal of 113587537896 is 698735785311.

113587537896 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 8 + 7 + 537 + 8 + 96 = 666.

It is a super-2 number, since 2×113587537896² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (113587537891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4524996 + ... + 4550028.

It is an arithmetic number, because the mean of its divisors is an integer number (2818202550).

Almost surely, 2^113587537896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113587537896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180364963200).

113587537896 is an abundant number, since it is smaller than the sum of its proper divisors (247142388504).

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

113587537896 is a wasteful number, since it uses less digits than its factorization.

113587537896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28056 (or 28046 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 63.

The spelling of 113587537896 in words is "one hundred thirteen billion, five hundred eighty-seven million, five hundred thirty-seven thousand, eight hundred ninety-six".