12564008859 has 16 divisors (see below), whose sum is σ = 17212608288. Its totient is φ = 8145914112.

The previous prime is 12564008857. The next prime is 12564008869. The reversal of 12564008859 is 95880046521.

It is not a de Polignac number, because 12564008859 - 2¹ = 12564008857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12564008857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230329 + ... + 279605.

It is an arithmetic number, because the mean of its divisors is an integer number (1075788018).

Almost surely, 2^12564008859 is an apocalyptic number.

12564008859 is a deficient number, since it is larger than the sum of its proper divisors (4648599429).

12564008859 is a wasteful number, since it uses less digits than its factorization.

12564008859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51614.

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 12564008859 in words is "twelve billion, five hundred sixty-four million, eight thousand, eight hundred fifty-nine".