115699580040 has 128 divisors (see below), whose sum is σ = 379355425920. Its totient is φ = 27996364800.

The previous prime is 115699580021. The next prime is 115699580063. The reversal of 115699580040 is 40085996511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633112 + ... + 795128.

It is an arithmetic number, because the mean of its divisors is an integer number (2963714265).

Almost surely, 2^115699580040 is an apocalyptic number.

115699580040 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 115699580040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189677712960).

115699580040 is an abundant number, since it is smaller than the sum of its proper divisors (263655845880).

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

115699580040 is a wasteful number, since it uses less digits than its factorization.

115699580040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162583 (or 162579 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 48.

The spelling of 115699580040 in words is "one hundred fifteen billion, six hundred ninety-nine million, five hundred eighty thousand, forty".