11111044 has 36 divisors (see below), whose sum is σ = 22924944. Its totient is φ = 4697616.

The previous prime is 11111039. The next prime is 11111053. The reversal of 11111044 is 44011111.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15927 + ... + 16609.

It is an arithmetic number, because the mean of its divisors is an integer number (636804).

Almost surely, 2^11111044 is an apocalyptic number.

11111044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11111044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11462472).

11111044 is an abundant number, since it is smaller than the sum of its proper divisors (11813900).

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

11111044 is a wasteful number, since it uses less digits than its factorization.

11111044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 11111044 is about 3333.3232666515. The cubic root of 11111044 is about 223.1438674293.

Adding to 11111044 its reverse (44011111), we get a palindrome (55122155).

The spelling of 11111044 in words is "eleven million, one hundred eleven thousand, forty-four".