2556622255652 has 24 divisors (see below), whose sum is σ = 4506699304800. Its totient is φ = 1268995608576.

The previous prime is 2556622255639. The next prime is 2556622255679. The reversal of 2556622255652 is 2565522266552.

It is a junction number, because it is equal to n+sod(n) for n = 2556622255594 and 2556622255603.

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 7 ways as a sum of consecutive naturals, for example, 5871908 + ... + 6292260.

It is an arithmetic number, because the mean of its divisors is an integer number (187779137700).

Almost surely, 2^{2556622255652} is an apocalyptic number.

It is an amenable number.

2556622255652 is a deficient number, since it is larger than the sum of its proper divisors (1950077049148).

2556622255652 is a wasteful number, since it uses less digits than its factorization.

2556622255652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431435 (or 431433 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 53.

The spelling of 2556622255652 in words is "two trillion, five hundred fifty-six billion, six hundred twenty-two million, two hundred fifty-five thousand, six hundred fifty-two".