111044441 has 4 divisors (see below), whose sum is σ = 113752884. Its totient is φ = 108336000.

The previous prime is 111044429. The next prime is 111044467. The reversal of 111044441 is 144440111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14592400 + 96452041 = 3820^2 + 9821^2 .

It is a cyclic number.

It is not a de Polignac number, because 111044441 - 2¹⁰ = 111043417 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 (111044491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354160 + ... + 1354241.

It is an arithmetic number, because the mean of its divisors is an integer number (28438221).

Almost surely, 2^111044441 is an apocalyptic number.

It is an amenable number.

111044441 is a deficient number, since it is larger than the sum of its proper divisors (2708443).

111044441 is an equidigital number, since it uses as much as digits as its factorization.

111044441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708442.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 111044441 is about 10537.7626183170. The cubic root of 111044441 is about 480.6536825916.

Adding to 111044441 its reverse (144440111), we get a palindrome (255484552).

The spelling of 111044441 in words is "one hundred eleven million, forty-four thousand, four hundred forty-one".