115906985860 has 48 divisors (see below), whose sum is σ = 246019576320. Its totient is φ = 45865128960.

The previous prime is 115906985849. The next prime is 115906985861. The reversal of 115906985860 is 68589609511.

It is a junction number, because it is equal to n+sod(n) for n = 115906985795 and 115906985804.

It is not an unprimeable number, because it can be changed into a prime (115906985861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5015011 + ... + 5038069.

It is an arithmetic number, because the mean of its divisors is an integer number (5125407840).

Almost surely, 2^115906985860 is an apocalyptic number.

115906985860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115906985860 is an abundant number, since it is smaller than the sum of its proper divisors (130112590460).

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

115906985860 is a wasteful number, since it uses less digits than its factorization.

115906985860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25756 (or 25754 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 58.

The spelling of 115906985860 in words is "one hundred fifteen billion, nine hundred six million, nine hundred eighty-five thousand, eight hundred sixty".