115501940736 has 960 divisors, whose sum is σ = 422772940800. Its totient is φ = 27745320960.

The previous prime is 115501940639. The next prime is 115501940761. The reversal of 115501940736 is 637049105511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3725869041 + ... + 3725869071.

It is an arithmetic number, because the mean of its divisors is an integer number (440388480).

Almost surely, 2^115501940736 is an apocalyptic number.

115501940736 is a gapful number since it is divisible by the number (16) 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 115501940736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211386470400).

115501940736 is an abundant number, since it is smaller than the sum of its proper divisors (307271000064).

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

115501940736 is an equidigital number, since it uses as much as digits as its factorization.

115501940736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 115501940736 in words is "one hundred fifteen billion, five hundred one million, nine hundred forty thousand, seven hundred thirty-six".