11431444424 has 8 divisors (see below), whose sum is σ = 21433958310. Its totient is φ = 5715722208.

The previous prime is 11431444399. The next prime is 11431444511. The reversal of 11431444424 is 42444413411.

It can be written as a sum of positive squares in only one way, i.e., 10574008900 + 857435524 = 102830^2 + 29282^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714465269 + ... + 714465284.

Almost surely, 2^11431444424 is an apocalyptic number.

It is an amenable number.

11431444424 is a deficient number, since it is larger than the sum of its proper divisors (10002513886).

11431444424 is a wasteful number, since it uses less digits than its factorization.

11431444424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428930559 (or 1428930555 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

Adding to 11431444424 its reverse (42444413411), we get a palindrome (53875857835).

The spelling of 11431444424 in words is "eleven billion, four hundred thirty-one million, four hundred forty-four thousand, four hundred twenty-four".