565061061601 has 4 divisors (see below), whose sum is σ = 565328738304. Its totient is φ = 564793384900.

The previous prime is 565061061569. The next prime is 565061061619. The reversal of 565061061601 is 106160160565.

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.

It is a cyclic number.

It is not a de Polignac number, because 565061061601 - 2⁵ = 565061061569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565061061641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133835185 + ... + 133839406.

It is an arithmetic number, because the mean of its divisors is an integer number (141332184576).

Almost surely, 2^565061061601 is an apocalyptic number.

It is an amenable number.

565061061601 is a deficient number, since it is larger than the sum of its proper divisors (267676703).

565061061601 is a wasteful number, since it uses less digits than its factorization.

565061061601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267676702.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 565061061601 in words is "five hundred sixty-five billion, sixty-one million, sixty-one thousand, six hundred one".