115631751120 has 80 divisors (see below), whose sum is σ = 374043595392. Its totient is φ = 29494474240.

The previous prime is 115631751107. The next prime is 115631751181. The reversal of 115631751120 is 21157136511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 10468371 + ... + 10479410.

Almost surely, 2^115631751120 is an apocalyptic number.

115631751120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115631751120 is an abundant number, since it is smaller than the sum of its proper divisors (258411844272).

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

115631751120 is a wasteful number, since it uses less digits than its factorization.

115631751120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20947820 (or 20947814 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 33.

Adding to 115631751120 its reverse (21157136511), we get a palindrome (136788887631).

The spelling of 115631751120 in words is "one hundred fifteen billion, six hundred thirty-one million, seven hundred fifty-one thousand, one hundred twenty".