115556505 has 8 divisors (see below), whose sum is σ = 184890432. Its totient is φ = 61630128.

The previous prime is 115556489. The next prime is 115556521. The reversal of 115556505 is 505655511.

It is an interprime number because it is at equal distance from previous prime (115556489) and next prime (115556521).

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

It is not a de Polignac number, because 115556505 - 2⁴ = 115556489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3851869 + ... + 3851898.

It is an arithmetic number, because the mean of its divisors is an integer number (23111304).

Almost surely, 2^115556505 is an apocalyptic number.

115556505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115556505 is a deficient number, since it is larger than the sum of its proper divisors (69333927).

115556505 is an equidigital number, since it uses as much as digits as its factorization.

115556505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703775.

The product of its (nonzero) digits is 18750, while the sum is 33.

The square root of 115556505 is about 10749.7211591743. The cubic root of 115556505 is about 487.0775722629.

The spelling of 115556505 in words is "one hundred fifteen million, five hundred fifty-six thousand, five hundred five".