111444414 has 16 divisors (see below), whose sum is σ = 223714560. Its totient is φ = 37010520.

The previous prime is 111444397. The next prime is 111444439. The reversal of 111444414 is 414444111.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32644 + ... + 35895.

It is an arithmetic number, because the mean of its divisors is an integer number (13982160).

Almost surely, 2^111444414 is an apocalyptic number.

111444414 is an abundant number, since it is smaller than the sum of its proper divisors (112270146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111444414 is a wasteful number, since it uses less digits than its factorization.

111444414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68815.

The product of its digits is 1024, while the sum is 24.

The square root of 111444414 is about 10556.7236394631. The cubic root of 111444414 is about 481.2300828548.

Adding to 111444414 its reverse (414444111), we get a palindrome (525888525).

The spelling of 111444414 in words is "one hundred eleven million, four hundred forty-four thousand, four hundred fourteen".