113115215021200 has 120 divisors (see below), whose sum is σ = 310606911776192. Its totient is φ = 38779256424960.

The previous prime is 113115215021191. The next prime is 113115215021243. The reversal of 113115215021200 is 2120512511311.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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, 33521722 + ... + 36741478.

Almost surely, 2^{113115215021200} is an apocalyptic number.

113115215021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113115215021200 is an abundant number, since it is smaller than the sum of its proper divisors (197491696754992).

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

113115215021200 is a wasteful number, since it uses less digits than its factorization.

113115215021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232329 (or 3232318 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 113115215021200 its reverse (2120512511311), we get a palindrome (115235727532511).

The spelling of 113115215021200 in words is "one hundred thirteen trillion, one hundred fifteen billion, two hundred fifteen million, twenty-one thousand, two hundred".