1056515768564 has 24 divisors (see below), whose sum is σ = 1867706926848. Its totient is φ = 522888010400.

The previous prime is 1056515768563. The next prime is 1056515768587. The reversal of 1056515768564 is 4658675156501.

It is a super-2 number, since 2×1056515768564² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056515768563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174757 + ... + 1868979.

It is an arithmetic number, because the mean of its divisors is an integer number (77821121952).

Almost surely, 2^{1056515768564} is an apocalyptic number.

It is an amenable number.

1056515768564 is a deficient number, since it is larger than the sum of its proper divisors (811191158284).

1056515768564 is a wasteful number, since it uses less digits than its factorization.

1056515768564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698095 (or 698093 counting only the distinct ones).

The product of its (nonzero) digits is 30240000, while the sum is 59.

The spelling of 1056515768564 in words is "one trillion, fifty-six billion, five hundred fifteen million, seven hundred sixty-eight thousand, five hundred sixty-four".