12756344445825 has 24 divisors (see below), whose sum is σ = 21091353043200. Its totient is φ = 6803105136960.

The previous prime is 12756344445821. The next prime is 12756344445853. The reversal of 12756344445825 is 52854444365721.

It is not a de Polignac number, because 12756344445825 - 2² = 12756344445821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12756344445821) 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, 1631665 + ... + 5308014.

It is an arithmetic number, because the mean of its divisors is an integer number (878806376800).

Almost surely, 2^{12756344445825} is an apocalyptic number.

12756344445825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12756344445825 is a deficient number, since it is larger than the sum of its proper divisors (8335008597375).

12756344445825 is a wasteful number, since it uses less digits than its factorization.

12756344445825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964201 (or 6964196 counting only the distinct ones).

The product of its digits is 129024000, while the sum is 60.

The spelling of 12756344445825 in words is "twelve trillion, seven hundred fifty-six billion, three hundred forty-four million, four hundred forty-five thousand, eight hundred twenty-five".