111444414443 has 16 divisors (see below), whose sum is σ = 117786662400. Its totient is φ = 105150636000.

The previous prime is 111444414371. The next prime is 111444414449. The reversal of 111444414443 is 344414444111.

It is not a de Polignac number, because 111444414443 - 2¹⁰ = 111444413419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111444414449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5311868 + ... + 5332806.

It is an arithmetic number, because the mean of its divisors is an integer number (7361666400).

Almost surely, 2^111444414443 is an apocalyptic number.

111444414443 is a deficient number, since it is larger than the sum of its proper divisors (6342247957).

111444414443 is a wasteful number, since it uses less digits than its factorization.

111444414443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22082.

The product of its digits is 49152, while the sum is 35.

Adding to 111444414443 its reverse (344414444111), we get a palindrome (455858858554).

The spelling of 111444414443 in words is "one hundred eleven billion, four hundred forty-four million, four hundred fourteen thousand, four hundred forty-three".