12366445543 has 8 divisors (see below), whose sum is σ = 12713160096. Its totient is φ = 12021878400.

The previous prime is 12366445537. The next prime is 12366445547. The reversal of 12366445543 is 34554466321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12366445543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12366445543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12366445547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525171 + ... + 548212.

It is an arithmetic number, because the mean of its divisors is an integer number (1589145012).

Almost surely, 2^12366445543 is an apocalyptic number.

12366445543 is a deficient number, since it is larger than the sum of its proper divisors (346714553).

12366445543 is a wasteful number, since it uses less digits than its factorization.

12366445543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073705.

The product of its digits is 1036800, while the sum is 43.

The spelling of 12366445543 in words is "twelve billion, three hundred sixty-six million, four hundred forty-five thousand, five hundred forty-three".