2556114016520 has 32 divisors (see below), whose sum is σ = 5751311126400. Its totient is φ = 1022435901888.

The previous prime is 2556114016513. The next prime is 2556114016537. The reversal of 2556114016520 is 256104116552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5193671 + ... + 5664489.

It is an arithmetic number, because the mean of its divisors is an integer number (179728472700).

Almost surely, 2^{2556114016520} is an apocalyptic number.

2556114016520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2556114016520 is an abundant number, since it is smaller than the sum of its proper divisors (3195197109880).

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

2556114016520 is a wasteful number, since it uses less digits than its factorization.

2556114016520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606557 (or 606553 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 2556114016520 in words is "two trillion, five hundred fifty-six billion, one hundred fourteen million, sixteen thousand, five hundred twenty".