565005006505 has 16 divisors (see below), whose sum is σ = 687004887744. Its totient is φ = 446017929280.

The previous prime is 565005006493. The next prime is 565005006521. The reversal of 565005006505 is 505600500565.

It is not a de Polignac number, because 565005006505 - 2⁵ = 565005006473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479926 + ... + 1166335.

It is an arithmetic number, because the mean of its divisors is an integer number (42937805484).

Almost surely, 2^565005006505 is an apocalyptic number.

It is an amenable number.

565005006505 is a deficient number, since it is larger than the sum of its proper divisors (121999881239).

565005006505 is a wasteful number, since it uses less digits than its factorization.

565005006505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647176.

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 565005006505 in words is "five hundred sixty-five billion, five million, six thousand, five hundred five".