12525425456636 has 24 divisors (see below), whose sum is σ = 21937443339504. Its totient is φ = 6257585093760.

The previous prime is 12525425456591. The next prime is 12525425456641. The reversal of 12525425456636 is 63665452452521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97811546 + ... + 97939518.

It is an arithmetic number, because the mean of its divisors is an integer number (914060139146).

Almost surely, 2^{12525425456636} is an apocalyptic number.

It is an amenable number.

12525425456636 is a deficient number, since it is larger than the sum of its proper divisors (9412017882868).

12525425456636 is a wasteful number, since it uses less digits than its factorization.

12525425456636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147821 (or 147819 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 56.

The spelling of 12525425456636 in words is "twelve trillion, five hundred twenty-five billion, four hundred twenty-five million, four hundred fifty-six thousand, six hundred thirty-six".