115836665 has 16 divisors (see below), whose sum is σ = 159096960. Its totient is φ = 79313280.

The previous prime is 115836659. The next prime is 115836667. The reversal of 115836665 is 566638511.

It is not a de Polignac number, because 115836665 - 2¹⁴ = 115820281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115836667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26270 + ... + 30360.

It is an arithmetic number, because the mean of its divisors is an integer number (9943560).

Almost surely, 2^115836665 is an apocalyptic number.

It is an amenable number.

115836665 is a deficient number, since it is larger than the sum of its proper divisors (43260295).

115836665 is an equidigital number, since it uses as much as digits as its factorization.

115836665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912.

The product of its digits is 129600, while the sum is 41.

The square root of 115836665 is about 10762.7443061702. The cubic root of 115836665 is about 487.4708849585.

The spelling of 115836665 in words is "one hundred fifteen million, eight hundred thirty-six thousand, six hundred sixty-five".