115721630780736 has 112 divisors (see below), whose sum is σ = 325727196022080. Its totient is φ = 36132764344320.

The previous prime is 115721630780699. The next prime is 115721630780761. The reversal of 115721630780736 is 637087036127511.

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, 83325351 + ... + 84702758.

Almost surely, 2^{115721630780736} is an apocalyptic number.

115721630780736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115721630780736 is an abundant number, since it is smaller than the sum of its proper divisors (210005565241344).

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

115721630780736 is a wasteful number, since it uses less digits than its factorization.

115721630780736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168028352 (or 168028342 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 57.

The spelling of 115721630780736 in words is "one hundred fifteen trillion, seven hundred twenty-one billion, six hundred thirty million, seven hundred eighty thousand, seven hundred thirty-six".