10515056565 has 64 divisors (see below), whose sum is σ = 18354857472. Its totient is φ = 5109350400.

The previous prime is 10515056543. The next prime is 10515056683. The reversal of 10515056565 is 56565051501.

It is not a de Polignac number, because 10515056565 - 2⁸ = 10515056309 is a prime.

It is a super-2 number, since 2×10515056565² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11934925 + ... + 11935805.

It is an arithmetic number, because the mean of its divisors is an integer number (286794648).

Almost surely, 2^10515056565 is an apocalyptic number.

10515056565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10515056565 is a deficient number, since it is larger than the sum of its proper divisors (7839800907).

10515056565 is a wasteful number, since it uses less digits than its factorization.

10515056565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 10515056565 in words is "ten billion, five hundred fifteen million, fifty-six thousand, five hundred sixty-five".