11118444 has 12 divisors (see below), whose sum is σ = 25943064. Its totient is φ = 3706144.

The previous prime is 11118433. The next prime is 11118451. The reversal of 11118444 is 44481111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11118444² = 247239593962272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463257 + ... + 463280.

It is an arithmetic number, because the mean of its divisors is an integer number (2161922).

Almost surely, 2^11118444 is an apocalyptic number.

It is an amenable number.

11118444 is an abundant number, since it is smaller than the sum of its proper divisors (14824620).

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

11118444 is a wasteful number, since it uses less digits than its factorization.

11118444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926544 (or 926542 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

The square root of 11118444 is about 3334.4330852485. The cubic root of 11118444 is about 223.1933946736.

Adding to 11118444 its reverse (44481111), we get a palindrome (55599555).

The spelling of 11118444 in words is "eleven million, one hundred eighteen thousand, four hundred forty-four".