2566255502536 has 32 divisors (see below), whose sum is σ = 5260496342400. Its totient is φ = 1163960360640.

The previous prime is 2566255502519. The next prime is 2566255502563. The reversal of 2566255502536 is 6352055526652.

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 7 ways as a sum of consecutive naturals, for example, 31451691 + ... + 31533178.

It is an arithmetic number, because the mean of its divisors is an integer number (164390510700).

Almost surely, 2^{2566255502536} is an apocalyptic number.

It is an amenable number.

2566255502536 is an abundant number, since it is smaller than the sum of its proper divisors (2694240839864).

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

2566255502536 is a wasteful number, since it uses less digits than its factorization.

2566255502536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62985349 (or 62985345 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 52.

The spelling of 2566255502536 in words is "two trillion, five hundred sixty-six billion, two hundred fifty-five million, five hundred two thousand, five hundred thirty-six".