565060505661 has 12 divisors (see below), whose sum is σ = 816233783040. Its totient is φ = 376690723080.

The previous prime is 565060505651. The next prime is 565060505693. The reversal of 565060505661 is 166505060565.

It is not a de Polignac number, because 565060505661 - 2⁵ = 565060505629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565060505651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1135005 + ... + 1555106.

It is an arithmetic number, because the mean of its divisors is an integer number (68019481920).

Almost surely, 2^565060505661 is an apocalyptic number.

It is an amenable number.

565060505661 is a deficient number, since it is larger than the sum of its proper divisors (251173277379).

565060505661 is a wasteful number, since it uses less digits than its factorization.

565060505661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713456 (or 2713453 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 565060505661 in words is "five hundred sixty-five billion, sixty million, five hundred five thousand, six hundred sixty-one".