115707155 has 4 divisors (see below), whose sum is σ = 138848592. Its totient is φ = 92565720.

The previous prime is 115707149. The next prime is 115707161. The reversal of 115707155 is 551707511.

It is a happy number.

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 (115707149) and next prime (115707161).

It is not a de Polignac number, because 115707155 - 2²² = 111512851 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, 11570711 + ... + 11570720.

It is an arithmetic number, because the mean of its divisors is an integer number (34712148).

Almost surely, 2^115707155 is an apocalyptic number.

115707155 is a deficient number, since it is larger than the sum of its proper divisors (23141437).

115707155 is an equidigital number, since it uses as much as digits as its factorization.

115707155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23141436.

The product of its (nonzero) digits is 6125, while the sum is 32.

The square root of 115707155 is about 10756.7260353697. The cubic root of 115707155 is about 487.2891465970.

The spelling of 115707155 in words is "one hundred fifteen million, seven hundred seven thousand, one hundred fifty-five".