111044005 has 4 divisors (see below), whose sum is σ = 133252812. Its totient is φ = 88835200.

The previous prime is 111043979. The next prime is 111044057. The reversal of 111044005 is 500440111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500440111 = 277 ⋅1806643.

It can be written as a sum of positive squares in 2 ways, for example, as 17322244 + 93721761 = 4162^2 + 9681^2 .

It is a de Polignac number, because none of the positive numbers 2^k-111044005 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111044005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11104396 + ... + 11104405.

It is an arithmetic number, because the mean of its divisors is an integer number (33313203).

Almost surely, 2^111044005 is an apocalyptic number.

It is an amenable number.

111044005 is a deficient number, since it is larger than the sum of its proper divisors (22208807).

111044005 is an equidigital number, since it uses as much as digits as its factorization.

111044005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22208806.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 111044005 is about 10537.7419307933. The cubic root of 111044005 is about 480.6530535183.

Adding to 111044005 its reverse (500440111), we get a palindrome (611484116).

The spelling of 111044005 in words is "one hundred eleven million, forty-four thousand, five".