2056562917759 has 12 divisors (see below), whose sum is σ = 2496342567024. Its totient is φ = 1686126117984.

The previous prime is 2056562917753. The next prime is 2056562917771. The reversal of 2056562917759 is 9577192656502.

It is not a de Polignac number, because 2056562917759 - 2³ = 2056562917751 is a prime.

It is a super-3 number, since 3×2056562917759³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056562917759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056562917751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 912404782 + ... + 912407035.

It is an arithmetic number, because the mean of its divisors is an integer number (208028547252).

Almost surely, 2^{2056562917759} is an apocalyptic number.

2056562917759 is a deficient number, since it is larger than the sum of its proper divisors (439779649265).

2056562917759 is a wasteful number, since it uses less digits than its factorization.

2056562917759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824811854 (or 1824811847 counting only the distinct ones).

The product of its (nonzero) digits is 71442000, while the sum is 64.

The spelling of 2056562917759 in words is "two trillion, fifty-six billion, five hundred sixty-two million, nine hundred seventeen thousand, seven hundred fifty-nine".