12551457430824 has 64 divisors (see below), whose sum is σ = 34120466889600. Its totient is φ = 3824491873536.

The previous prime is 12551457430801. The next prime is 12551457430849. The reversal of 12551457430824 is 42803475415521.

12551457430824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195254419 + ... + 195318690.

It is an arithmetic number, because the mean of its divisors is an integer number (533132295150).

Almost surely, 2^{12551457430824} is an apocalyptic number.

It is an amenable number.

12551457430824 is an abundant number, since it is smaller than the sum of its proper divisors (21569009458776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12551457430824 is a wasteful number, since it uses less digits than its factorization.

12551457430824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390573234 (or 390573230 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 51.

The spelling of 12551457430824 in words is "twelve trillion, five hundred fifty-one billion, four hundred fifty-seven million, four hundred thirty thousand, eight hundred twenty-four".