11444111 has 12 divisors (see below), whose sum is σ = 13896048. Its totient is φ = 9230592.

The previous prime is 11444107. The next prime is 11444117. The reversal of 11444111 is 11144411.

It is not a de Polignac number, because 11444111 - 2² = 11444107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11444111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11444117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 806 + ... + 4851.

It is an arithmetic number, because the mean of its divisors is an integer number (1158004).

Almost surely, 2^11444111 is an apocalyptic number.

11444111 is a deficient number, since it is larger than the sum of its proper divisors (2451937).

11444111 is an equidigital number, since it uses as much as digits as its factorization.

11444111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5698 (or 5681 counting only the distinct ones).

The product of its digits is 64, while the sum is 17.

The square root of 11444111 is about 3382.9145717857. The cubic root of 11444111 is about 225.3516214067.

Adding to 11444111 its reverse (11144411), we get a palindrome (22588522).

The spelling of 11444111 in words is "eleven million, four hundred forty-four thousand, one hundred eleven".