115505015 has 8 divisors (see below), whose sum is σ = 138684960. Its totient is φ = 92351392.

The previous prime is 115505003. The next prime is 115505017. The reversal of 115505015 is 510505511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 115505015 - 2²⁰ = 114456439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115505017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4901 + ... + 15969.

It is an arithmetic number, because the mean of its divisors is an integer number (17335620).

Almost surely, 2^115505015 is an apocalyptic number.

115505015 is a deficient number, since it is larger than the sum of its proper divisors (23179945).

115505015 is a wasteful number, since it uses less digits than its factorization.

115505015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13161.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 115505015 is about 10747.3259464855. The cubic root of 115505015 is about 487.0052170397.

The spelling of 115505015 in words is "one hundred fifteen million, five hundred five thousand, fifteen".