11155044 has 12 divisors (see below), whose sum is σ = 26028464. Its totient is φ = 3718344.

The previous prime is 11154991. The next prime is 11155049. The reversal of 11155044 is 44055111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11155044.

It is not an unprimeable number, because it can be changed into a prime (11155049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464782 + ... + 464805.

Almost surely, 2^11155044 is an apocalyptic number.

It is an amenable number.

11155044 is an abundant number, since it is smaller than the sum of its proper divisors (14873420).

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

11155044 is a wasteful number, since it uses less digits than its factorization.

11155044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929594 (or 929592 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 11155044 is about 3339.9167654299. The cubic root of 11155044 is about 223.4380311559.

It can be divided in two parts, 111 and 55044, that added together give a palindrome (55155).

The spelling of 11155044 in words is "eleven million, one hundred fifty-five thousand, forty-four".