115871585 has 16 divisors (see below), whose sum is σ = 145407744. Its totient is φ = 88473792.

The previous prime is 115871549. The next prime is 115871597. The reversal of 115871585 is 585178511.

It is a cyclic number.

It is not a de Polignac number, because 115871585 - 2¹² = 115867489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74324 + ... + 75866.

It is an arithmetic number, because the mean of its divisors is an integer number (9087984).

Almost surely, 2^115871585 is an apocalyptic number.

It is an amenable number.

115871585 is a deficient number, since it is larger than the sum of its proper divisors (29536159).

115871585 is a wasteful number, since it uses less digits than its factorization.

115871585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224.

The product of its digits is 56000, while the sum is 41.

The square root of 115871585 is about 10764.3664467538. The cubic root of 115871585 is about 487.5198641917.

The spelling of 115871585 in words is "one hundred fifteen million, eight hundred seventy-one thousand, five hundred eighty-five".