115515455 has 16 divisors (see below), whose sum is σ = 156100608. Its totient is φ = 81300000.

The previous prime is 115515431. The next prime is 115515473. The reversal of 115515455 is 554515511.

It is not a de Polignac number, because 115515455 - 2⁸ = 115515199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32171 + ... + 35580.

It is an arithmetic number, because the mean of its divisors is an integer number (9756288).

Almost surely, 2^115515455 is an apocalyptic number.

115515455 is a deficient number, since it is larger than the sum of its proper divisors (40585153).

115515455 is a wasteful number, since it uses less digits than its factorization.

115515455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67798.

The product of its digits is 12500, while the sum is 32.

The square root of 115515455 is about 10747.8116377242. The cubic root of 115515455 is about 487.0198893645.

The spelling of 115515455 in words is "one hundred fifteen million, five hundred fifteen thousand, four hundred fifty-five".