11123544 has 32 divisors (see below), whose sum is σ = 28707840. Its totient is φ = 3588000.

The previous prime is 11123527. The next prime is 11123551. The reversal of 11123544 is 44532111.

It is a super-2 number, since 2×11123544² = 247466462239872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11123544.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6732 + ... + 8219.

It is an arithmetic number, because the mean of its divisors is an integer number (897120).

Almost surely, 2^11123544 is an apocalyptic number.

It is an amenable number.

11123544 is an abundant number, since it is smaller than the sum of its proper divisors (17584296).

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

11123544 is a wasteful number, since it uses less digits than its factorization.

11123544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14991 (or 14987 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 11123544 is about 3335.1977452619. The cubic root of 11123544 is about 223.2275155246.

Adding to 11123544 its reverse (44532111), we get a palindrome (55655655).

It can be divided in two parts, 1112 and 3544, that added together give a triangular number (4656 = T₉₆).

The spelling of 11123544 in words is "eleven million, one hundred twenty-three thousand, five hundred forty-four".