115816106158665 has 32 divisors (see below), whose sum is σ = 202457576276352. Its totient is φ = 56068311552000.

The previous prime is 115816106158651. The next prime is 115816106158693. The reversal of 115816106158665 is 566851601618511.

It is not a de Polignac number, because 115816106158665 - 2²⁰ = 115816105110089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115816106158599 and 115816106158608.

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, 530840856 + ... + 531058985.

It is an arithmetic number, because the mean of its divisors is an integer number (6326799258636).

Almost surely, 2^{115816106158665} is an apocalyptic number.

115816106158665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115816106158665 is a deficient number, since it is larger than the sum of its proper divisors (86641470117687).

115816106158665 is a wasteful number, since it uses less digits than its factorization.

115816106158665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061900521.

The product of its (nonzero) digits is 10368000, while the sum is 60.

The spelling of 115816106158665 in words is "one hundred fifteen trillion, eight hundred sixteen billion, one hundred six million, one hundred fifty-eight thousand, six hundred sixty-five".