565542245565 has 32 divisors (see below), whose sum is σ = 1096809206400. Its totient is φ = 274202300160.

The previous prime is 565542245561. The next prime is 565542245573.

It is a happy number.

565542245565 is a `hidden beast` number, since 5 + 6 + 5 + 54 + 2 + 24 + 5 + 565 = 666.

565542245565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 565542245565 - 2² = 565542245561 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565542245561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190416780 + ... + 190419749.

It is an arithmetic number, because the mean of its divisors is an integer number (34275287700).

Almost surely, 2^565542245565 is an apocalyptic number.

565542245565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

565542245565 is a deficient number, since it is larger than the sum of its proper divisors (531266960835).

565542245565 is a wasteful number, since it uses less digits than its factorization.

565542245565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380836554 (or 380836548 counting only the distinct ones).

The product of its digits is 36000000, while the sum is 54.

The spelling of 565542245565 in words is "five hundred sixty-five billion, five hundred forty-two million, two hundred forty-five thousand, five hundred sixty-five".