111112411443 has 8 divisors (see below), whose sum is σ = 161618053056. Its totient is φ = 67340855400.

The previous prime is 111112411367. The next prime is 111112411493. The reversal of 111112411443 is 344114211111.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-111112411443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111112411493) 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, 1683521353 + ... + 1683521418.

It is an arithmetic number, because the mean of its divisors is an integer number (20202256632).

Almost surely, 2^111112411443 is an apocalyptic number.

111112411443 is a deficient number, since it is larger than the sum of its proper divisors (50505641613).

111112411443 is a wasteful number, since it uses less digits than its factorization.

111112411443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367042785.

The product of its digits is 384, while the sum is 24.

Adding to 111112411443 its reverse (344114211111), we get a palindrome (455226622554).

The spelling of 111112411443 in words is "one hundred eleven billion, one hundred twelve million, four hundred eleven thousand, four hundred forty-three".