2566514492782 has 16 divisors (see below), whose sum is σ = 3900309755472. Its totient is φ = 1266492427200.

The previous prime is 2566514492749. The next prime is 2566514492813. The reversal of 2566514492782 is 2872944156652.

It is a self number, because there is not a number n which added to its sum of digits gives 2566514492782.

It is a congruent number.

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, 20233128 + ... + 20359579.

It is an arithmetic number, because the mean of its divisors is an integer number (243769359717).

Almost surely, 2^{2566514492782} is an apocalyptic number.

2566514492782 is a deficient number, since it is larger than the sum of its proper divisors (1333795262690).

2566514492782 is a wasteful number, since it uses less digits than its factorization.

2566514492782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40593123.

The product of its digits is 58060800, while the sum is 61.

The spelling of 2566514492782 in words is "two trillion, five hundred sixty-six billion, five hundred fourteen million, four hundred ninety-two thousand, seven hundred eighty-two".