113215027500 has 540 divisors, whose sum is σ = 396927555024. Its totient is φ = 27143424000.

The previous prime is 113215027469. The next prime is 113215027501. The reversal of 113215027500 is 5720512311.

113215027500 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 150 + 2 + 7 + 500 = 666.

It is not an unprimeable number, because it can be changed into a prime (113215027501) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 149557122 + ... + 149557878.

Almost surely, 2^113215027500 is an apocalyptic number.

113215027500 is a gapful number since it is divisible by the number (10) 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 113215027500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198463777512).

113215027500 is an abundant number, since it is smaller than the sum of its proper divisors (283712527524).

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

113215027500 is a wasteful number, since it uses less digits than its factorization.

113215027500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

Adding to 113215027500 its reverse (5720512311), we get a palindrome (118935539811).

The spelling of 113215027500 in words is "one hundred thirteen billion, two hundred fifteen million, twenty-seven thousand, five hundred".