115597309632 has 672 divisors, whose sum is σ = 403845857280. Its totient is φ = 28931696640.

The previous prime is 115597309559. The next prime is 115597309637. The reversal of 115597309632 is 236903795511.

It is a tau number, because it is divible by the number of its divisors (672).

It is not an unprimeable number, because it can be changed into a prime (115597309637) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 127449723 + ... + 127450629.

Almost surely, 2^115597309632 is an apocalyptic number.

115597309632 is a gapful number since it is divisible by the number (12) 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 115597309632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201922928640).

115597309632 is an abundant number, since it is smaller than the sum of its proper divisors (288248547648).

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

115597309632 is a wasteful number, since it uses less digits than its factorization.

115597309632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 51.

The spelling of 115597309632 in words is "one hundred fifteen billion, five hundred ninety-seven million, three hundred nine thousand, six hundred thirty-two".