1056565534256 has 80 divisors (see below), whose sum is σ = 2086262304000. Its totient is φ = 518274941184.

The previous prime is 1056565534253. The next prime is 1056565534307. The reversal of 1056565534256 is 6524355656501.

It is a happy number.

It is a super-2 number, since 2×1056565534256² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056565534198 and 1056565534207.

It is not an unprimeable number, because it can be changed into a prime (1056565534253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144553130 + ... + 144560438.

It is an arithmetic number, because the mean of its divisors is an integer number (26078278800).

Almost surely, 2^{1056565534256} is an apocalyptic number.

1056565534256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1056565534256 is a deficient number, since it is larger than the sum of its proper divisors (1029696769744).

1056565534256 is a wasteful number, since it uses less digits than its factorization.

1056565534256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8146 (or 8140 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 53.

The spelling of 1056565534256 in words is "one trillion, fifty-six billion, five hundred sixty-five million, five hundred thirty-four thousand, two hundred fifty-six".