2556016253792 has 12 divisors (see below), whose sum is σ = 5032156999716. Its totient is φ = 1278008126880.

The previous prime is 2556016253783. The next prime is 2556016253887. The reversal of 2556016253792 is 2973526106552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39937753934 + ... + 39937753997.

It is an arithmetic number, because the mean of its divisors is an integer number (419346416643).

Almost surely, 2^{2556016253792} is an apocalyptic number.

It is an amenable number.

2556016253792 is a deficient number, since it is larger than the sum of its proper divisors (2476140745924).

2556016253792 is an equidigital number, since it uses as much as digits as its factorization.

2556016253792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79875507941 (or 79875507933 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 2556016253792 in words is "two trillion, five hundred fifty-six billion, sixteen million, two hundred fifty-three thousand, seven hundred ninety-two".