10645400636745 has 64 divisors (see below), whose sum is σ = 19488955484160. Its totient is φ = 4860702056448.

The previous prime is 10645400636737. The next prime is 10645400636747. The reversal of 10645400636745 is 54763600454601.

10645400636745 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 10645400636745 - 2³ = 10645400636737 is a prime.

It is a super-2 number, since 2×10645400636745² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10645400636747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 362233942 + ... + 362263328.

It is an arithmetic number, because the mean of its divisors is an integer number (304514929440).

Almost surely, 2^{10645400636745} is an apocalyptic number.

10645400636745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10645400636745 is a deficient number, since it is larger than the sum of its proper divisors (8843554847415).

10645400636745 is a wasteful number, since it uses less digits than its factorization.

10645400636745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33374.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 10645400636745 in words is "ten trillion, six hundred forty-five billion, four hundred million, six hundred thirty-six thousand, seven hundred forty-five".