115225515 has 48 divisors (see below), whose sum is σ = 209993472. Its totient is φ = 58335552.

The previous prime is 115225501. The next prime is 115225531. The reversal of 115225515 is 515522511.

It is not a de Polignac number, because 115225515 - 2⁴ = 115225499 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 168364 + ... + 169046.

It is an arithmetic number, because the mean of its divisors is an integer number (4374864).

Almost surely, 2^115225515 is an apocalyptic number.

115225515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115225515 is a deficient number, since it is larger than the sum of its proper divisors (94767957).

115225515 is a wasteful number, since it uses less digits than its factorization.

115225515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 877 counting only the distinct ones).

The product of its digits is 2500, while the sum is 27.

The square root of 115225515 is about 10734.3148360759. The cubic root of 115225515 is about 486.6120799996.

The spelling of 115225515 in words is "one hundred fifteen million, two hundred twenty-five thousand, five hundred fifteen".