111134441 has 16 divisors (see below), whose sum is σ = 124348608. Its totient is φ = 98472000.

The previous prime is 111134431. The next prime is 111134447. The reversal of 111134441 is 144431111.

It is not a de Polignac number, because 111134441 - 2²⁶ = 44025577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111134447) 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 15 ways as a sum of consecutive naturals, for example, 73691 + ... + 75183.

It is an arithmetic number, because the mean of its divisors is an integer number (7771788).

Almost surely, 2^111134441 is an apocalyptic number.

111134441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111134441 is a deficient number, since it is larger than the sum of its proper divisors (13214167).

111134441 is a wasteful number, since it uses less digits than its factorization.

111134441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its digits is 192, while the sum is 20.

The square root of 111134441 is about 10542.0321096077. The cubic root of 111134441 is about 480.7835019367.

Adding to 111134441 its reverse (144431111), we get a palindrome (255565552).

The spelling of 111134441 in words is "one hundred eleven million, one hundred thirty-four thousand, four hundred forty-one".