12536556233425 has 24 divisors (see below), whose sum is σ = 17767696294656. Its totient is φ = 8595719005440.

The previous prime is 12536556233387. The next prime is 12536556233447. The reversal of 12536556233425 is 52433265563521.

It is not a de Polignac number, because 12536556233425 - 2²³ = 12536547844817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1290472 + ... + 5170921.

It is an arithmetic number, because the mean of its divisors is an integer number (740320678944).

Almost surely, 2^{12536556233425} is an apocalyptic number.

It is an amenable number.

12536556233425 is a deficient number, since it is larger than the sum of its proper divisors (5231140061231).

12536556233425 is a wasteful number, since it uses less digits than its factorization.

12536556233425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472497 (or 6472492 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 52.

The spelling of 12536556233425 in words is "twelve trillion, five hundred thirty-six billion, five hundred fifty-six million, two hundred thirty-three thousand, four hundred twenty-five".