115977931283715 has 32 divisors (see below), whose sum is σ = 186029038250496. Its totient is φ = 61700295536640.

The previous prime is 115977931283699. The next prime is 115977931283761. The reversal of 115977931283715 is 517382139779511.

It is not a de Polignac number, because 115977931283715 - 2⁴ = 115977931283699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115977931283715.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4547092 + ... + 15894398.

It is an arithmetic number, because the mean of its divisors is an integer number (5813407445328).

Almost surely, 2^{115977931283715} is an apocalyptic number.

115977931283715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115977931283715 is a deficient number, since it is larger than the sum of its proper divisors (70051106966781).

115977931283715 is a wasteful number, since it uses less digits than its factorization.

115977931283715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349019.

The product of its digits is 100018800, while the sum is 69.

The spelling of 115977931283715 in words is "one hundred fifteen trillion, nine hundred seventy-seven billion, nine hundred thirty-one million, two hundred eighty-three thousand, seven hundred fifteen".