565011161 has 8 divisors (see below), whose sum is σ = 663789504. Its totient is φ = 474135120.

The previous prime is 565011149. The next prime is 565011163. The reversal of 565011161 is 161110565.

565011161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 565011161 - 2¹⁴ = 564994777 is a prime.

It is a super-2 number, since 2×565011161² = 638475224109135842, which contains 22 as substring.

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 565011161.

It is not an unprimeable number, because it can be changed into a prime (565011163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1975421 + ... + 1975706.

It is an arithmetic number, because the mean of its divisors is an integer number (82973688).

Almost surely, 2^565011161 is an apocalyptic number.

It is an amenable number.

565011161 is a deficient number, since it is larger than the sum of its proper divisors (98778343).

565011161 is a wasteful number, since it uses less digits than its factorization.

565011161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951151.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 565011161 is about 23769.9634202495. The cubic root of 565011161 is about 826.7083844675.

The spelling of 565011161 in words is "five hundred sixty-five million, eleven thousand, one hundred sixty-one".