1056565534165 has 8 divisors (see below), whose sum is σ = 1268194607928. Its totient is φ = 845041782720.

The previous prime is 1056565534151. The next prime is 1056565534187. The reversal of 1056565534165 is 5614355656501.

1056565534165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 60190243569 + 996375290596 = 245337^2 + 998186^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1056565534165 - 2⁵ = 1056565534133 is a prime.

It is a super-2 number, since 2×1056565534165² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 26308506 + ... + 26348635.

It is an arithmetic number, because the mean of its divisors is an integer number (158524325991).

Almost surely, 2^{1056565534165} is an apocalyptic number.

It is an amenable number.

1056565534165 is a deficient number, since it is larger than the sum of its proper divisors (211629073763).

1056565534165 is an equidigital number, since it uses as much as digits as its factorization.

1056565534165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52661159.

The product of its (nonzero) digits is 8100000, while the sum is 52.

The spelling of 1056565534165 in words is "one trillion, fifty-six billion, five hundred sixty-five million, five hundred thirty-four thousand, one hundred sixty-five".