10565605523 has 4 divisors (see below), whose sum is σ = 11526115128. Its totient is φ = 9605095920.

The previous prime is 10565605517. The next prime is 10565605537. The reversal of 10565605523 is 32550656501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10565605523 is a prime.

It is a super-2 number, since 2×10565605523² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10565605513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480254786 + ... + 480254807.

It is an arithmetic number, because the mean of its divisors is an integer number (2881528782).

Almost surely, 2^10565605523 is an apocalyptic number.

10565605523 is a deficient number, since it is larger than the sum of its proper divisors (960509605).

10565605523 is an equidigital number, since it uses as much as digits as its factorization.

10565605523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960509604.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 10565605523 in words is "ten billion, five hundred sixty-five million, six hundred five thousand, five hundred twenty-three".