111112443 has 24 divisors (see below), whose sum is σ = 177519888. Its totient is φ = 66526272.

The previous prime is 111112411. The next prime is 111112447. The reversal of 111112443 is 344211111.

111112443 is a `hidden beast` number, since 111 + 112 + 443 = 666.

It is not a de Polignac number, because 111112443 - 2⁵ = 111112411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111112447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8505 + ... + 17162.

It is an arithmetic number, because the mean of its divisors is an integer number (7396662).

Almost surely, 2^111112443 is an apocalyptic number.

111112443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111112443 is a deficient number, since it is larger than the sum of its proper divisors (66407445).

111112443 is a wasteful number, since it uses less digits than its factorization.

111112443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25723 (or 25720 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 111112443 is about 10540.9887107425. The cubic root of 111112443 is about 480.7517776776.

Adding to 111112443 its reverse (344211111), we get a palindrome (455323554).

The spelling of 111112443 in words is "one hundred eleven million, one hundred twelve thousand, four hundred forty-three".