11133444 has 24 divisors (see below), whose sum is σ = 29689408. Its totient is φ = 3180960.

The previous prime is 11133443. The next prime is 11133467. The reversal of 11133444 is 44433111.

It is a super-2 number, since 2×11133444² = 247907150602272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

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 11133444.

It is not an unprimeable number, because it can be changed into a prime (11133443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66187 + ... + 66354.

Almost surely, 2^11133444 is an apocalyptic number.

11133444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11133444 is an abundant number, since it is smaller than the sum of its proper divisors (18555964).

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

11133444 is a wasteful number, since it uses less digits than its factorization.

11133444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132555 (or 132553 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 11133444 is about 3336.6815850482. The cubic root of 11133444 is about 223.2937203572.

Adding to 11133444 its reverse (44433111), we get a palindrome (55566555).

The spelling of 11133444 in words is "eleven million, one hundred thirty-three thousand, four hundred forty-four".