10645440221536 has 24 divisors (see below), whose sum is σ = 20958523228944. Its totient is φ = 5322640671360.

The previous prime is 10645440221513. The next prime is 10645440221579. The reversal of 10645440221536 is 63512204454601.

10645440221536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10645440221536² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10645440221492 and 10645440221501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274660 + ... + 4622371.

It is an arithmetic number, because the mean of its divisors is an integer number (873271801206).

Almost surely, 2^{10645440221536} is an apocalyptic number.

10645440221536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10645440221536 is a deficient number, since it is larger than the sum of its proper divisors (10313083007408).

10645440221536 is an equidigital number, since it uses as much as digits as its factorization.

10645440221536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964974 (or 4964966 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 10645440221536 in words is "ten trillion, six hundred forty-five billion, four hundred forty million, two hundred twenty-one thousand, five hundred thirty-six".