2556293565012 has 48 divisors (see below), whose sum is σ = 6509153129472. Its totient is φ = 774369645280.

The previous prime is 2556293564959. The next prime is 2556293565071. The reversal of 2556293565012 is 2105653926552.

It is a super-3 number, since 3×2556293565012³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

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, 2921778 + ... + 3694505.

It is an arithmetic number, because the mean of its divisors is an integer number (135607356864).

Almost surely, 2^{2556293565012} is an apocalyptic number.

2556293565012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2556293565012 is an abundant number, since it is smaller than the sum of its proper divisors (3952859564460).

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

2556293565012 is a wasteful number, since it uses less digits than its factorization.

2556293565012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619228 (or 6619226 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 2556293565012 in words is "two trillion, five hundred fifty-six billion, two hundred ninety-three million, five hundred sixty-five thousand, twelve".