566517121087 has 8 divisors (see below), whose sum is σ = 567877658816. Its totient is φ = 565157112192.

The previous prime is 566517121069. The next prime is 566517121109. The reversal of 566517121087 is 780121715665.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566517121087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 566517121087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566517121487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2056243 + ... + 2315419.

It is an arithmetic number, because the mean of its divisors is an integer number (70984707352).

Almost surely, 2^566517121087 is an apocalyptic number.

566517121087 is a deficient number, since it is larger than the sum of its proper divisors (1360537729).

566517121087 is a wasteful number, since it uses less digits than its factorization.

566517121087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264417.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 566517121087 in words is "five hundred sixty-six billion, five hundred seventeen million, one hundred twenty-one thousand, eighty-seven".