10505500565 has 32 divisors (see below), whose sum is σ = 14881873920. Its totient is φ = 6966907200.

The previous prime is 10505500549. The next prime is 10505500597. The reversal of 10505500565 is 56500550501.

It is not a de Polignac number, because 10505500565 - 2⁴ = 10505500549 is a prime.

It is a super-2 number, since 2×10505500565² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3221906 + ... + 3225164.

It is an arithmetic number, because the mean of its divisors is an integer number (465058560).

Almost surely, 2^10505500565 is an apocalyptic number.

It is an amenable number.

10505500565 is a deficient number, since it is larger than the sum of its proper divisors (4376373355).

10505500565 is a wasteful number, since it uses less digits than its factorization.

10505500565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 10505500565 in words is "ten billion, five hundred five million, five hundred thousand, five hundred sixty-five".