4452111443999 has 4 divisors (see below), whose sum is σ = 4475179379136. Its totient is φ = 4429043508864.

The previous prime is 4452111443981. The next prime is 4452111444089. The reversal of 4452111443999 is 9993441112544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4452111443999 is a prime.

It is a super-2 number, since 2×4452111443999² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452111443909) 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, 11533967279 + ... + 11533967664.

It is an arithmetic number, because the mean of its divisors is an integer number (1118794844784).

Almost surely, 2^{4452111443999} is an apocalyptic number.

4452111443999 is a deficient number, since it is larger than the sum of its proper divisors (23067935137).

4452111443999 is a wasteful number, since it uses less digits than its factorization.

4452111443999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23067935136.

The product of its digits is 5598720, while the sum is 56.

The spelling of 4452111443999 in words is "four trillion, four hundred fifty-two billion, one hundred eleven million, four hundred forty-three thousand, nine hundred ninety-nine".