11143043424 has 96 divisors (see below), whose sum is σ = 32522394240. Its totient is φ = 3711851136.

The previous prime is 11143043413. The next prime is 11143043441. The reversal of 11143043424 is 42434034111.

11143043424 is a `hidden beast` number, since 1 + 1 + 14 + 304 + 342 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1644267 + ... + 1651029.

It is an arithmetic number, because the mean of its divisors is an integer number (338774940).

Almost surely, 2^11143043424 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 11143043424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16261197120).

11143043424 is an abundant number, since it is smaller than the sum of its proper divisors (21379350816).

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

11143043424 is a wasteful number, since it uses less digits than its factorization.

11143043424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8689 (or 8675 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11143043424 its reverse (42434034111), we get a palindrome (53577077535).

The spelling of 11143043424 in words is "eleven billion, one hundred forty-three million, forty-three thousand, four hundred twenty-four".