11445500645643 has 4 divisors (see below), whose sum is σ = 15260667527528. Its totient is φ = 7630333763760.

The previous prime is 11445500645641. The next prime is 11445500645723. The reversal of 11445500645643 is 34654600554411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11445500645643 - 2¹ = 11445500645641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11445500645592 and 11445500645601.

It is not an unprimeable number, because it can be changed into a prime (11445500645641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907583440938 + ... + 1907583440943.

It is an arithmetic number, because the mean of its divisors is an integer number (3815166881882).

Almost surely, 2^{11445500645643} is an apocalyptic number.

11445500645643 is a deficient number, since it is larger than the sum of its proper divisors (3815166881885).

11445500645643 is an equidigital number, since it uses as much as digits as its factorization.

11445500645643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815166881884.

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 11445500645643 in words is "eleven trillion, four hundred forty-five billion, five hundred million, six hundred forty-five thousand, six hundred forty-three".