115556015 has 8 divisors (see below), whose sum is σ = 138818448. Its totient is φ = 92344000.

The previous prime is 115555991. The next prime is 115556027. The reversal of 115556015 is 510655511.

It is a happy number.

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

It is not a de Polignac number, because 115556015 - 2¹⁴ = 115539631 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 7 ways as a sum of consecutive naturals, for example, 7361 + ... + 16890.

It is an arithmetic number, because the mean of its divisors is an integer number (17352306).

Almost surely, 2^115556015 is an apocalyptic number.

115556015 is a deficient number, since it is larger than the sum of its proper divisors (23262433).

115556015 is an equidigital number, since it uses as much as digits as its factorization.

115556015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25209.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 115556015 is about 10749.6983678613. The cubic root of 115556015 is about 487.0768838021.

The spelling of 115556015 in words is "one hundred fifteen million, five hundred fifty-six thousand, fifteen".