12544353806256 has 80 divisors (see below), whose sum is σ = 36040067891200. Its totient is φ = 4177604331072.

The previous prime is 12544353806233. The next prime is 12544353806323. The reversal of 12544353806256 is 65260835344521.

12544353806256 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 4 + 3 + 5 + 3 + 8 + 0 + 625 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12887296 + ... + 13826463.

It is an arithmetic number, because the mean of its divisors is an integer number (450500848640).

Almost surely, 2^{12544353806256} is an apocalyptic number.

12544353806256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12544353806256 is an abundant number, since it is smaller than the sum of its proper divisors (23495714084944).

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

12544353806256 is a wasteful number, since it uses less digits than its factorization.

12544353806256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26714863 (or 26714851 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 54.

The spelling of 12544353806256 in words is "twelve trillion, five hundred forty-four billion, three hundred fifty-three million, eight hundred six thousand, two hundred fifty-six".