111112444 has 24 divisors (see below), whose sum is σ = 198567936. Its totient is φ = 54390000.

The previous prime is 111112411. The next prime is 111112447. The reversal of 111112444 is 444211111.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41589 + ... + 44179.

It is an arithmetic number, because the mean of its divisors is an integer number (8273664).

Almost surely, 2^111112444 is an apocalyptic number.

It is an amenable number.

111112444 is a deficient number, since it is larger than the sum of its proper divisors (87455492).

111112444 is a wasteful number, since it uses less digits than its factorization.

111112444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2815 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 111112444 is about 10540.9887581763. The cubic root of 111112444 is about 480.7517791199.

Adding to 111112444 its reverse (444211111), we get a palindrome (555323555).

It can be divided in two parts, 111112 and 444, that added together give a square (111556 = 334²).

The spelling of 111112444 in words is "one hundred eleven million, one hundred twelve thousand, four hundred forty-four".