11133451444 has 12 divisors (see below), whose sum is σ = 19636954624. Its totient is φ = 5522892984.

The previous prime is 11133451423. The next prime is 11133451523. The reversal of 11133451444 is 44415433111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10957614 + ... + 10958629.

Almost surely, 2^11133451444 is an apocalyptic number.

It is an amenable number.

11133451444 is a deficient number, since it is larger than the sum of its proper divisors (8503503180).

11133451444 is a wasteful number, since it uses less digits than its factorization.

11133451444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21916374 (or 21916372 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

Adding to 11133451444 its reverse (44415433111), we get a palindrome (55548884555).

The spelling of 11133451444 in words is "eleven billion, one hundred thirty-three million, four hundred fifty-one thousand, four hundred forty-four".