12557115134404 has 27 divisors (see below), whose sum is σ = 22243941814927. Its totient is φ = 6202621719944.

The previous prime is 12557115134383. The next prime is 12557115134423. The reversal of 12557115134404 is 40443151175521.

The square root of 12557115134404 is 3543602.

It is a perfect power (a square), and thus also a powerful number.

12557115134404 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 2×12557115134404² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 588227259 + ... + 588248605.

Almost surely, 2^{12557115134404} is an apocalyptic number.

12557115134404 is the 3543602-nd square number.

It is an amenable number.

12557115134404 is a deficient number, since it is larger than the sum of its proper divisors (9686826680523).

12557115134404 is an frugal number, since it uses more digits than its factorization.

12557115134404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42864 (or 21432 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 12557115134404 in words is "twelve trillion, five hundred fifty-seven billion, one hundred fifteen million, one hundred thirty-four thousand, four hundred four".