11123042544 has 120 divisors (see below), whose sum is σ = 32881085952. Its totient is φ = 3504574080.

The previous prime is 11123042543. The next prime is 11123042549. The reversal of 11123042544 is 44524032111.

11123042544 is a `hidden beast` number, since 1 + 1 + 1 + 230 + 425 + 4 + 4 = 666.

11123042544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123042543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162979 + ... + 220925.

Almost surely, 2^11123042544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11123042544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16440542976).

11123042544 is an abundant number, since it is smaller than the sum of its proper divisors (21758043408).

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

11123042544 is a wasteful number, since it uses less digits than its factorization.

11123042544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58035 (or 58026 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11123042544 its reverse (44524032111), we get a palindrome (55647074655).

The spelling of 11123042544 in words is "eleven billion, one hundred twenty-three million, forty-two thousand, five hundred forty-four".