115660655139 has 8 divisors (see below), whose sum is σ = 154219629312. Its totient is φ = 77104392200.

The previous prime is 115660655107. The next prime is 115660655153. The reversal of 115660655139 is 931556066511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115660655139 - 2⁵ = 115660655107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115660655179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576087 + ... + 750464.

It is an arithmetic number, because the mean of its divisors is an integer number (19277453664).

Almost surely, 2^115660655139 is an apocalyptic number.

115660655139 is a deficient number, since it is larger than the sum of its proper divisors (38558974173).

115660655139 is a wasteful number, since it uses less digits than its factorization.

115660655139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355617.

The product of its (nonzero) digits is 729000, while the sum is 48.

The spelling of 115660655139 in words is "one hundred fifteen billion, six hundred sixty million, six hundred fifty-five thousand, one hundred thirty-nine".