115613889440 has 96 divisors (see below), whose sum is σ = 316554303744. Its totient is φ = 39080724480.

The previous prime is 115613889439. The next prime is 115613889451. The reversal of 115613889440 is 44988316511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647429 + ... + 806468.

It is an arithmetic number, because the mean of its divisors is an integer number (3297440664).

Almost surely, 2^115613889440 is an apocalyptic number.

115613889440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115613889440 is an abundant number, since it is smaller than the sum of its proper divisors (200940414304).

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

115613889440 is a wasteful number, since it uses less digits than its factorization.

115613889440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453990 (or 1453982 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 115613889440 in words is "one hundred fifteen billion, six hundred thirteen million, eight hundred eighty-nine thousand, four hundred forty".