11311124444 has 48 divisors (see below), whose sum is σ = 20589219840. Its totient is φ = 5433402240.

The previous prime is 11311124423. The next prime is 11311124467. The reversal of 11311124444 is 44442111311.

It is a happy number.

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, 2893139 + ... + 2897045.

It is an arithmetic number, because the mean of its divisors is an integer number (428942080).

Almost surely, 2^11311124444 is an apocalyptic number.

It is an amenable number.

11311124444 is a deficient number, since it is larger than the sum of its proper divisors (9278095396).

11311124444 is a wasteful number, since it uses less digits than its factorization.

11311124444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218 (or 4216 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

Adding to 11311124444 its reverse (44442111311), we get a palindrome (55753235755).

The spelling of 11311124444 in words is "eleven billion, three hundred eleven million, one hundred twenty-four thousand, four hundred forty-four".