10645313636605 has 16 divisors (see below), whose sum is σ = 12984236478000. Its totient is φ = 8376353717760.

The previous prime is 10645313636561. The next prime is 10645313636621. The reversal of 10645313636605 is 50663631354601.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9816450084 + 10635497186521 = 99078^2 + 3261211^2 .

It is not a de Polignac number, because 10645313636605 - 2²⁷ = 10645179418877 is a prime.

It is a super-2 number, since 2×10645313636605² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8564721 + ... + 9728569.

It is an arithmetic number, because the mean of its divisors is an integer number (811514779875).

Almost surely, 2^{10645313636605} is an apocalyptic number.

It is an amenable number.

10645313636605 is a deficient number, since it is larger than the sum of its proper divisors (2338922841395).

10645313636605 is a wasteful number, since it uses less digits than its factorization.

10645313636605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193904.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 10645313636605 in words is "ten trillion, six hundred forty-five billion, three hundred thirteen million, six hundred thirty-six thousand, six hundred five".