1056564565304 has 8 divisors (see below), whose sum is σ = 1981058559960. Its totient is φ = 528282282648.

The previous prime is 1056564565283. The next prime is 1056564565307. The reversal of 1056564565304 is 4035654656501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1056564565304² (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 (1056564565307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66035285324 + ... + 66035285339.

It is an arithmetic number, because the mean of its divisors is an integer number (247632319995).

Almost surely, 2^{1056564565304} is an apocalyptic number.

It is an amenable number.

1056564565304 is a deficient number, since it is larger than the sum of its proper divisors (924493994656).

1056564565304 is a wasteful number, since it uses less digits than its factorization.

1056564565304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132070570669 (or 132070570665 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 1056564565304 in words is "one trillion, fifty-six billion, five hundred sixty-four million, five hundred sixty-five thousand, three hundred four".