566561156039 has 6 divisors (see below), whose sum is σ = 571806663120. Its totient is φ = 561363335496.

The previous prime is 566561156033. The next prime is 566561156053. The reversal of 566561156039 is 930651165665.

It is a de Polignac number, because none of the positive numbers 2^k-566561156039 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 (566561156033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23831279 + ... + 23855040.

It is an arithmetic number, because the mean of its divisors is an integer number (95301110520).

Almost surely, 2^566561156039 is an apocalyptic number.

566561156039 is a deficient number, since it is larger than the sum of its proper divisors (5245507081).

566561156039 is an equidigital number, since it uses as much as digits as its factorization.

566561156039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47686537 (or 47686428 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 53.

The spelling of 566561156039 in words is "five hundred sixty-six billion, five hundred sixty-one million, one hundred fifty-six thousand, thirty-nine".