115660115 has 4 divisors (see below), whose sum is σ = 138792144. Its totient is φ = 92528088.

The previous prime is 115660109. The next prime is 115660121. The reversal of 115660115 is 511066511.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (115660109) and next prime (115660121).

It is a cyclic number.

It is not a de Polignac number, because 115660115 - 2⁴ = 115660099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11566007 + ... + 11566016.

It is an arithmetic number, because the mean of its divisors is an integer number (34698036).

Almost surely, 2^115660115 is an apocalyptic number.

115660115 is a deficient number, since it is larger than the sum of its proper divisors (23132029).

115660115 is an equidigital number, since it uses as much as digits as its factorization.

115660115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23132028.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 115660115 is about 10754.5392741856. The cubic root of 115660115 is about 487.2231028897.

The spelling of 115660115 in words is "one hundred fifteen million, six hundred sixty thousand, one hundred fifteen".