12544142525 has 12 divisors (see below), whose sum is σ = 15562170624. Its totient is φ = 10030518000.

The previous prime is 12544142521. The next prime is 12544142561. The reversal of 12544142525 is 52524144521.

It is not a de Polignac number, because 12544142525 - 2² = 12544142521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12544142521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66071 + ... + 171620.

It is an arithmetic number, because the mean of its divisors is an integer number (1296847552).

Almost surely, 2^12544142525 is an apocalyptic number.

It is an amenable number.

12544142525 is a deficient number, since it is larger than the sum of its proper divisors (3018028099).

12544142525 is a wasteful number, since it uses less digits than its factorization.

12544142525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239812 (or 239807 counting only the distinct ones).

The product of its digits is 64000, while the sum is 35.

The spelling of 12544142525 in words is "twelve billion, five hundred forty-four million, one hundred forty-two thousand, five hundred twenty-five".