12564105258 has 64 divisors (see below), whose sum is σ = 27371520000. Its totient is φ = 3833047680.

The previous prime is 12564105251. The next prime is 12564105269. The reversal of 12564105258 is 85250146521.

It is not an unprimeable number, because it can be changed into a prime (12564105251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364243 + ... + 397241.

It is an arithmetic number, because the mean of its divisors is an integer number (427680000).

Almost surely, 2^12564105258 is an apocalyptic number.

12564105258 is an abundant number, since it is smaller than the sum of its proper divisors (14807414742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12564105258 is a wasteful number, since it uses less digits than its factorization.

12564105258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33147.

The product of its (nonzero) digits is 96000, while the sum is 39.

The spelling of 12564105258 in words is "twelve billion, five hundred sixty-four million, one hundred five thousand, two hundred fifty-eight".