12579254568 has 48 divisors (see below), whose sum is σ = 34627331700. Its totient is φ = 4124344320.

The previous prime is 12579254549. The next prime is 12579254579. The reversal of 12579254568 is 86545297521.

12579254568 is a `hidden beast` number, since 1 + 2 + 5 + 7 + 92 + 545 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12338322084 + 240932484 = 111078^2 + 15522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1427673 + ... + 1436456.

Almost surely, 2^12579254568 is an apocalyptic number.

12579254568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12579254568 is an abundant number, since it is smaller than the sum of its proper divisors (22048077132).

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

12579254568 is a wasteful number, since it uses less digits than its factorization.

12579254568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864202 (or 2864195 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 12579254568 in words is "twelve billion, five hundred seventy-nine million, two hundred fifty-four thousand, five hundred sixty-eight".