115259015 has 4 divisors (see below), whose sum is σ = 138310824. Its totient is φ = 92207208.

The previous prime is 115258967. The next prime is 115259051. The reversal of 115259015 is 510952511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115259015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11525897 + ... + 11525906.

It is an arithmetic number, because the mean of its divisors is an integer number (34577706).

Almost surely, 2^115259015 is an apocalyptic number.

115259015 is a deficient number, since it is larger than the sum of its proper divisors (23051809).

115259015 is an equidigital number, since it uses as much as digits as its factorization.

115259015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23051808.

The product of its (nonzero) digits is 2250, while the sum is 29.

The square root of 115259015 is about 10735.8751389908. The cubic root of 115259015 is about 486.6592336910.

The spelling of 115259015 in words is "one hundred fifteen million, two hundred fifty-nine thousand, fifteen".