56566522566565 has 8 divisors (see below), whose sum is σ = 74050720450848. Its totient is φ = 41139289139280.

The previous prime is 56566522566509. The next prime is 56566522566641.

56566522566565 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 56566522566565 - 2⁴⁵ = 21382150477733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56566522566494 and 56566522566503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514241114187 + ... + 514241114296.

It is an arithmetic number, because the mean of its divisors is an integer number (9256340056356).

Almost surely, 2^{56566522566565} is an apocalyptic number.

56566522566565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56566522566565 is a deficient number, since it is larger than the sum of its proper divisors (17484197884283).

56566522566565 is a wasteful number, since it uses less digits than its factorization.

56566522566565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028482228499.

The product of its digits is 2916000000, while the sum is 70.

The spelling of 56566522566565 in words is "fifty-six trillion, five hundred sixty-six billion, five hundred twenty-two million, five hundred sixty-six thousand, five hundred sixty-five".