2555057583256 has 16 divisors (see below), whose sum is σ = 4815051413040. Its totient is φ = 1271043873120.

The previous prime is 2555057583223. The next prime is 2555057583293. The reversal of 2555057583256 is 6523857505552.

It is a self number, because there is not a number n which added to its sum of digits gives 2555057583256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810613140 + ... + 810616291.

It is an arithmetic number, because the mean of its divisors is an integer number (300940713315).

Almost surely, 2^{2555057583256} is an apocalyptic number.

It is an amenable number.

2555057583256 is a deficient number, since it is larger than the sum of its proper divisors (2259993829784).

2555057583256 is a wasteful number, since it uses less digits than its factorization.

2555057583256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621229634 (or 1621229630 counting only the distinct ones).

The product of its (nonzero) digits is 63000000, while the sum is 58.

It can be divided in two parts, 2555057 and 583256, that added together give a palindrome (3138313).

The spelling of 2555057583256 in words is "two trillion, five hundred fifty-five billion, fifty-seven million, five hundred eighty-three thousand, two hundred fifty-six".