12585856318 has 16 divisors (see below), whose sum is σ = 21581239680. Its totient is φ = 5392566936.

The previous prime is 12585856277. The next prime is 12585856351. The reversal of 12585856318 is 81365858521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56248 + ... + 168331.

It is an arithmetic number, because the mean of its divisors is an integer number (1348827480).

Almost surely, 2^12585856318 is an apocalyptic number.

12585856318 is a deficient number, since it is larger than the sum of its proper divisors (8995383362).

12585856318 is a wasteful number, since it uses less digits than its factorization.

12585856318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228591.

The product of its digits is 2304000, while the sum is 52.

The spelling of 12585856318 in words is "twelve billion, five hundred eighty-five million, eight hundred fifty-six thousand, three hundred eighteen".