10645313643125 has 40 divisors (see below), whose sum is σ = 15238838110848. Its totient is φ = 7282303560000.

The previous prime is 10645313643121. The next prime is 10645313643161. The reversal of 10645313643125 is 52134631354601.

It is a happy number.

10645313643125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10645313643125 - 2² = 10645313643121 is a prime.

It is a super-2 number, since 2×10645313643125² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10645313643121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1047929 + ... + 4731678.

Almost surely, 2^{10645313643125} is an apocalyptic number.

It is an amenable number.

10645313643125 is a deficient number, since it is larger than the sum of its proper divisors (4593524467723).

10645313643125 is an frugal number, since it uses more digits than its factorization.

10645313643125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780055 (or 5780040 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

Adding to 10645313643125 its reverse (52134631354601), we get a palindrome (62779944997726).

The spelling of 10645313643125 in words is "ten trillion, six hundred forty-five billion, three hundred thirteen million, six hundred forty-three thousand, one hundred twenty-five".