12854558556 has 72 divisors (see below), whose sum is σ = 37146497024. Its totient is φ = 3671632800.

The previous prime is 12854558513. The next prime is 12854558593. The reversal of 12854558556 is 65585545821.

It is a happy number.

12854558556 is a `hidden beast` number, since 1 + 2 + 8 + 5 + 4 + 5 + 585 + 56 = 666.

It is a congruent number.

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, 1242501 + ... + 1252803.

Almost surely, 2^12854558556 is an apocalyptic number.

It is an amenable number.

12854558556 is an abundant number, since it is smaller than the sum of its proper divisors (24291938468).

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

12854558556 is a wasteful number, since it uses less digits than its factorization.

12854558556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271 (or 15266 counting only the distinct ones).

The product of its digits is 9600000, while the sum is 54.

The spelling of 12854558556 in words is "twelve billion, eight hundred fifty-four million, five hundred fifty-eight thousand, five hundred fifty-six".