12668559255 has 24 divisors (see below), whose sum is σ = 23955094800. Its totient is φ = 6142331520.

The previous prime is 12668559247. The next prime is 12668559257. The reversal of 12668559255 is 55295586621.

It is a happy number.

12668559255 is a `hidden beast` number, since 1 + 2 + 6 + 68 + 559 + 25 + 5 = 666.

It is not a de Polignac number, because 12668559255 - 2³ = 12668559247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12668559257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12796030 + ... + 12797019.

It is an arithmetic number, because the mean of its divisors is an integer number (998128950).

Almost surely, 2^12668559255 is an apocalyptic number.

12668559255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12668559255 is a deficient number, since it is larger than the sum of its proper divisors (11286535545).

12668559255 is a wasteful number, since it uses less digits than its factorization.

12668559255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25593071 (or 25593068 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 54.

The spelling of 12668559255 in words is "twelve billion, six hundred sixty-eight million, five hundred fifty-nine thousand, two hundred fifty-five".