12551142053525 has 24 divisors (see below), whose sum is σ = 15593498452224. Its totient is φ = 10021523731200.

The previous prime is 12551142053521. The next prime is 12551142053533. The reversal of 12551142053525 is 52535024115521.

12551142053525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12551142053525 - 2² = 12551142053521 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 (12551142053521) 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, 27758510 + ... + 28207040.

It is an arithmetic number, because the mean of its divisors is an integer number (649729102176).

Almost surely, 2^{12551142053525} is an apocalyptic number.

It is an amenable number.

12551142053525 is a deficient number, since it is larger than the sum of its proper divisors (3042356398699).

12551142053525 is a wasteful number, since it uses less digits than its factorization.

12551142053525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450701 (or 450696 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 12551142053525 in words is "twelve trillion, five hundred fifty-one billion, one hundred forty-two million, fifty-three thousand, five hundred twenty-five".