10685265523 has 4 divisors (see below), whose sum is σ = 10769401600. Its totient is φ = 10601129448.

The previous prime is 10685265517. The next prime is 10685265533. The reversal of 10685265523 is 32556258601.

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

It is a cyclic number.

It is not a de Polignac number, because 10685265523 - 2⁵ = 10685265491 is a prime.

It is a super-2 number, since 2×10685265523² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10685265523.

It is not an unprimeable number, because it can be changed into a prime (10685265533) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42067848 + ... + 42068101.

It is an arithmetic number, because the mean of its divisors is an integer number (2692350400).

Almost surely, 2^10685265523 is an apocalyptic number.

10685265523 is a deficient number, since it is larger than the sum of its proper divisors (84136077).

10685265523 is an equidigital number, since it uses as much as digits as its factorization.

10685265523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84136076.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 10685265523 in words is "ten billion, six hundred eighty-five million, two hundred sixty-five thousand, five hundred twenty-three".