115550015 has 16 divisors (see below), whose sum is σ = 160704000. Its totient is φ = 78116640.

The previous prime is 115549981. The next prime is 115550033. The reversal of 115550015 is 510055511.

It is a happy number.

It is not a de Polignac number, because 115550015 - 2¹⁸ = 115287871 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 20765 + ... + 25734.

It is an arithmetic number, because the mean of its divisors is an integer number (10044000).

Almost surely, 2^115550015 is an apocalyptic number.

115550015 is a deficient number, since it is larger than the sum of its proper divisors (45153985).

115550015 is an equidigital number, since it uses as much as digits as its factorization.

115550015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46582.

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

The square root of 115550015 is about 10749.4192866406. The cubic root of 115550015 is about 487.0684535129.

The spelling of 115550015 in words is "one hundred fifteen million, five hundred fifty thousand, fifteen".