11443403144 has 32 divisors (see below), whose sum is σ = 22591012800. Its totient is φ = 5419275840.

The previous prime is 11443403123. The next prime is 11443403159. The reversal of 11443403144 is 44130434411.

It is a super-2 number, since 2×11443403144² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038914 + ... + 1049870.

It is an arithmetic number, because the mean of its divisors is an integer number (705969150).

Almost surely, 2^11443403144 is an apocalyptic number.

It is an amenable number.

11443403144 is a deficient number, since it is larger than the sum of its proper divisors (11147609656).

11443403144 is a wasteful number, since it uses less digits than its factorization.

11443403144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17853 (or 17849 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 11443403144 its reverse (44130434411), we get a palindrome (55573837555).

The spelling of 11443403144 in words is "eleven billion, four hundred forty-three million, four hundred three thousand, one hundred forty-four".