115558985696 has 384 divisors, whose sum is σ = 302882291712. Its totient is φ = 42094080000.

The previous prime is 115558985639. The next prime is 115558985723. The reversal of 115558985696 is 696589855511.

It is a happy number.

Its product of digits (116640000) is a multiple of the sum of its prime factors (486).

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, 495961196 + ... + 495961428.

It is an arithmetic number, because the mean of its divisors is an integer number (788755968).

Almost surely, 2^115558985696 is an apocalyptic number.

115558985696 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 115558985696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151441145856).

115558985696 is an abundant number, since it is smaller than the sum of its proper divisors (187323306016).

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

115558985696 is a wasteful number, since it uses less digits than its factorization.

115558985696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 478 counting only the distinct ones).

The product of its digits is 116640000, while the sum is 68.

The spelling of 115558985696 in words is "one hundred fifteen billion, five hundred fifty-eight million, nine hundred eighty-five thousand, six hundred ninety-six".