12544425931 has 8 divisors (see below), whose sum is σ = 12998329344. Its totient is φ = 12093600360.

The previous prime is 12544425877. The next prime is 12544425973. The reversal of 12544425931 is 13952444521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12544425931 - 2⁹ = 12544425419 is a prime.

It is a super-2 number, since 2×12544425931² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12524425931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761161 + ... + 777466.

It is an arithmetic number, because the mean of its divisors is an integer number (1624791168).

Almost surely, 2^12544425931 is an apocalyptic number.

12544425931 is a deficient number, since it is larger than the sum of its proper divisors (453903413).

12544425931 is a wasteful number, since it uses less digits than its factorization.

12544425931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538921.

The product of its digits is 172800, while the sum is 40.

The spelling of 12544425931 in words is "twelve billion, five hundred forty-four million, four hundred twenty-five thousand, nine hundred thirty-one".