566556110117 has 4 divisors (see below), whose sum is σ = 567562427040. Its totient is φ = 565549793196.

The previous prime is 566556110111. The next prime is 566556110129. The reversal of 566556110117 is 711011655665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 711011655665 = 5 ⋅142202331133.

It is a cyclic number.

It is not a de Polignac number, because 566556110117 - 2²⁸ = 566287674661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566556110111) 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 3 ways as a sum of consecutive naturals, for example, 503157617 + ... + 503158742.

It is an arithmetic number, because the mean of its divisors is an integer number (141890606760).

Almost surely, 2^566556110117 is an apocalyptic number.

It is an amenable number.

566556110117 is a deficient number, since it is larger than the sum of its proper divisors (1006316923).

566556110117 is a wasteful number, since it uses less digits than its factorization.

566556110117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006316922.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 566556110117 in words is "five hundred sixty-six billion, five hundred fifty-six million, one hundred ten thousand, one hundred seventeen".