113512520000 has 420 divisors, whose sum is σ = 316604904000. Its totient is φ = 40318080000.

The previous prime is 113512519999. The next prime is 113512520027. The reversal of 113512520000 is 25215311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 227479751 + ... + 227480249.

It is an arithmetic number, because the mean of its divisors is an integer number (753821200).

Almost surely, 2^113512520000 is an apocalyptic number.

113512520000 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 113512520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158302452000).

113512520000 is an abundant number, since it is smaller than the sum of its proper divisors (203092384000).

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

113512520000 is an equidigital number, since it uses as much as digits as its factorization.

113512520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 113512520000 its reverse (25215311), we get a palindrome (113537735311).

The spelling of 113512520000 in words is "one hundred thirteen billion, five hundred twelve million, five hundred twenty thousand".