2521054016556 has 24 divisors (see below), whose sum is σ = 5928777953280. Its totient is φ = 833734398672.

The previous prime is 2521054016549. The next prime is 2521054016587. The reversal of 2521054016556 is 6556104501252.

2521054016556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2521054016556² (a number of 26 digits) contains 22 as substring.

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, 827115936 + ... + 827118983.

It is an arithmetic number, because the mean of its divisors is an integer number (247032414720).

Almost surely, 2^{2521054016556} is an apocalyptic number.

It is an amenable number.

2521054016556 is an abundant number, since it is smaller than the sum of its proper divisors (3407723936724).

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

2521054016556 is a wasteful number, since it uses less digits than its factorization.

2521054016556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654235053 (or 1654235051 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 2521054016556 in words is "two trillion, five hundred twenty-one billion, fifty-four million, sixteen thousand, five hundred fifty-six".