115250015 has 4 divisors (see below), whose sum is σ = 138300024. Its totient is φ = 92200008.

The previous prime is 115249997. The next prime is 115250027. The reversal of 115250015 is 510052511.

It is a happy number.

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 115250015 - 2²⁶ = 48141151 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 3 ways as a sum of consecutive naturals, for example, 11524997 + ... + 11525006.

It is an arithmetic number, because the mean of its divisors is an integer number (34575006).

Almost surely, 2^115250015 is an apocalyptic number.

115250015 is a deficient number, since it is larger than the sum of its proper divisors (23050009).

115250015 is an equidigital number, since it uses as much as digits as its factorization.

115250015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23050008.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 115250015 is about 10735.4559754116. The cubic root of 115250015 is about 486.6465664328.

The spelling of 115250015 in words is "one hundred fifteen million, two hundred fifty thousand, fifteen".