115135555 has 4 divisors (see below), whose sum is σ = 138162672. Its totient is φ = 92108440.

The previous prime is 115135549. The next prime is 115135561. The reversal of 115135555 is 555531511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555531511 = 29 ⋅19156259.

It is an interprime number because it is at equal distance from previous prime (115135549) and next prime (115135561).

It is not a de Polignac number, because 115135555 - 2⁹ = 115135043 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, 11513551 + ... + 11513560.

It is an arithmetic number, because the mean of its divisors is an integer number (34540668).

Almost surely, 2^115135555 is an apocalyptic number.

115135555 is a deficient number, since it is larger than the sum of its proper divisors (23027117).

115135555 is an equidigital number, since it uses as much as digits as its factorization.

115135555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23027116.

The product of its digits is 9375, while the sum is 31.

The square root of 115135555 is about 10730.1237178329. The cubic root of 115135555 is about 486.4854095020.

The spelling of 115135555 in words is "one hundred fifteen million, one hundred thirty-five thousand, five hundred fifty-five".