565511116061 has 4 divisors (see below), whose sum is σ = 571110236124. Its totient is φ = 559911996000.

The previous prime is 565511116033. The next prime is 565511116099. The reversal of 565511116061 is 160611115565.

It is a happy number.

565511116061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 484129290436 + 81381825625 = 695794^2 + 285275^2 .

It is a cyclic number.

It is not a de Polignac number, because 565511116061 - 2¹⁴ = 565511099677 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 (565511116361) 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, 2799559880 + ... + 2799560081.

It is an arithmetic number, because the mean of its divisors is an integer number (142777559031).

Almost surely, 2^565511116061 is an apocalyptic number.

It is an amenable number.

565511116061 is a deficient number, since it is larger than the sum of its proper divisors (5599120063).

565511116061 is a wasteful number, since it uses less digits than its factorization.

565511116061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599120062.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 565511116061 in words is "five hundred sixty-five billion, five hundred eleven million, one hundred sixteen thousand, sixty-one".