115932978720 has 144 divisors (see below), whose sum is σ = 426053765592. Its totient is φ = 28537344000.

The previous prime is 115932978631. The next prime is 115932978743. The reversal of 115932978720 is 27879239511.

It is a happy number.

115932978720 is a `hidden beast` number, since 1 + 1 + 593 + 29 + 7 + 8 + 7 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 85149574416 + 30783404304 = 291804^2 + 175452^2 .

It is a tau number, because it is divible by the number of its divisors (144).

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 23 ways as a sum of consecutive naturals, for example, 3077781 + ... + 3115220.

Almost surely, 2^115932978720 is an apocalyptic number.

115932978720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115932978720 is an abundant number, since it is smaller than the sum of its proper divisors (310120786872).

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

115932978720 is a wasteful number, since it uses less digits than its factorization.

115932978720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6193035 (or 6193024 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 115932978720 in words is "one hundred fifteen billion, nine hundred thirty-two million, nine hundred seventy-eight thousand, seven hundred twenty".