111112449 has 16 divisors (see below), whose sum is σ = 172771200. Its totient is φ = 63492240.

The previous prime is 111112447. The next prime is 111112451. The reversal of 111112449 is 944211111.

It is an interprime number because it is at equal distance from previous prime (111112447) and next prime (111112451).

It is not a de Polignac number, because 111112449 - 2¹ = 111112447 is a prime.

It is a plaindrome in base 10.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52962 + ... + 55019.

It is an arithmetic number, because the mean of its divisors is an integer number (10798200).

Almost surely, 2^111112449 is an apocalyptic number.

It is an amenable number.

111112449 is a deficient number, since it is larger than the sum of its proper divisors (61658751).

111112449 is an equidigital number, since it uses as much as digits as its factorization.

111112449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108005 (or 107991 counting only the distinct ones).

The product of its digits is 288, while the sum is 24.

The square root of 111112449 is about 10540.9889953457. The cubic root of 111112449 is about 480.7517863311.

The spelling of 111112449 in words is "one hundred eleven million, one hundred twelve thousand, four hundred forty-nine".