115031513000 has 64 divisors (see below), whose sum is σ = 274900953600. Its totient is φ = 45033595200.

The previous prime is 115031512993. The next prime is 115031513011. The reversal of 115031513000 is 315130511.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176740 + ... + 1270739.

It is an arithmetic number, because the mean of its divisors is an integer number (4295327400).

Almost surely, 2^115031513000 is an apocalyptic number.

115031513000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115031513000 is an abundant number, since it is smaller than the sum of its proper divisors (159869440600).

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

115031513000 is a wasteful number, since it uses less digits than its factorization.

115031513000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447547 (or 2447533 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

Adding to 115031513000 its reverse (315130511), we get a palindrome (115346643511).

The spelling of 115031513000 in words is "one hundred fifteen billion, thirty-one million, five hundred thirteen thousand".