2556080783578 has 32 divisors (see below), whose sum is σ = 4434353455104. Its totient is φ = 1082391490032.

The previous prime is 2556080783521. The next prime is 2556080783591. The reversal of 2556080783578 is 8753870806552.

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, 1653850 + ... + 2801317.

It is an arithmetic number, because the mean of its divisors is an integer number (138573545472).

Almost surely, 2^{2556080783578} is an apocalyptic number.

2556080783578 is a deficient number, since it is larger than the sum of its proper divisors (1878272671526).

2556080783578 is a wasteful number, since it uses less digits than its factorization.

2556080783578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455666.

The product of its (nonzero) digits is 112896000, while the sum is 64.

The spelling of 2556080783578 in words is "two trillion, five hundred fifty-six billion, eighty million, seven hundred eighty-three thousand, five hundred seventy-eight".