115085015 has 4 divisors (see below), whose sum is σ = 138102024. Its totient is φ = 92068008.

The previous prime is 115084997. The next prime is 115085017. The reversal of 115085015 is 510580511.

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

It is a cyclic number.

It is not a de Polignac number, because 115085015 - 2⁸ = 115084759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115085017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11508497 + ... + 11508506.

It is an arithmetic number, because the mean of its divisors is an integer number (34525506).

Almost surely, 2^115085015 is an apocalyptic number.

115085015 is a deficient number, since it is larger than the sum of its proper divisors (23017009).

115085015 is an equidigital number, since it uses as much as digits as its factorization.

115085015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23017008.

The product of its (nonzero) digits is 1000, while the sum is 26.

The square root of 115085015 is about 10727.7684072691. The cubic root of 115085015 is about 486.4142164025.

The spelling of 115085015 in words is "one hundred fifteen million, eighty-five thousand, fifteen".