2559501016256 has 28 divisors (see below), whose sum is σ = 5112645675120. Its totient is φ = 1271275334400.

The previous prime is 2559501016249. The next prime is 2559501016273. The reversal of 2559501016256 is 6526101059552.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2559501016256.

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, 132414851 + ... + 132434178.

Almost surely, 2^{2559501016256} is an apocalyptic number.

It is an amenable number.

2559501016256 is a deficient number, since it is larger than the sum of its proper divisors (2553144658864).

2559501016256 is a wasteful number, since it uses less digits than its factorization.

2559501016256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264849192 (or 264849182 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 2559501016256 in words is "two trillion, five hundred fifty-nine billion, five hundred one million, sixteen thousand, two hundred fifty-six".