10645645636143 has 72 divisors (see below), whose sum is σ = 18556788781440. Its totient is φ = 6081027508080.

The previous prime is 10645645636123. The next prime is 10645645636159. The reversal of 10645645636143 is 34163654654601.

It is a happy number.

10645645636143 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 5 + 64 + 563 + 6 + 14 + 3 = 666.

It is not a de Polignac number, because 10645645636143 - 2²² = 10645641441839 is a prime.

It is a super-2 number, since 2×10645645636143² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10645645636143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10645645636123) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 33072268 + ... + 33392606.

It is an arithmetic number, because the mean of its divisors is an integer number (257733177520).

Almost surely, 2^{10645645636143} is an apocalyptic number.

10645645636143 is a deficient number, since it is larger than the sum of its proper divisors (7911143145297).

10645645636143 is an equidigital number, since it uses as much as digits as its factorization.

10645645636143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323159 (or 323140 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 10645645636143 in words is "ten trillion, six hundred forty-five billion, six hundred forty-five million, six hundred thirty-six thousand, one hundred forty-three".