115515013 has 8 divisors (see below), whose sum is σ = 116921376. Its totient is φ = 114114000.

The previous prime is 115514963. The next prime is 115515019. The reversal of 115515013 is 310515511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115515013 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 (115515019) 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, 56670 + ... + 58672.

It is an arithmetic number, because the mean of its divisors is an integer number (14615172).

Almost surely, 2^115515013 is an apocalyptic number.

It is an amenable number.

115515013 is a deficient number, since it is larger than the sum of its proper divisors (1406363).

115515013 is a wasteful number, since it uses less digits than its factorization.

115515013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 115515013 is about 10747.7910753792. The cubic root of 115515013 is about 487.0192681978.

The spelling of 115515013 in words is "one hundred fifteen million, five hundred fifteen thousand, thirteen".