12461125632556 has 12 divisors (see below), whose sum is σ = 21809142152560. Its totient is φ = 6229942160400.

The previous prime is 12461125632539. The next prime is 12461125632607. The reversal of 12461125632556 is 65523652116421.

12461125632556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12461125632556² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155118795 + ... + 155199106.

Almost surely, 2^{12461125632556} is an apocalyptic number.

It is an amenable number.

12461125632556 is a deficient number, since it is larger than the sum of its proper divisors (9348016520004).

12461125632556 is a wasteful number, since it uses less digits than its factorization.

12461125632556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310327944 (or 310327942 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 49.

Adding to 12461125632556 its reverse (65523652116421), we get a palindrome (77984777748977).

The spelling of 12461125632556 in words is "twelve trillion, four hundred sixty-one billion, one hundred twenty-five million, six hundred thirty-two thousand, five hundred fifty-six".