11331131311112 has 16 divisors (see below), whose sum is σ = 21246457151340. Its totient is φ = 5665409404096.

The previous prime is 11331131311081. The next prime is 11331131311207. The reversal of 11331131311112 is 21111313113311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11328515397796 + 2615913316 = 3365786^2 + 51146^2 .

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, 19222943 + ... + 19803630.

Almost surely, 2^{11331131311112} is an apocalyptic number.

It is an amenable number.

11331131311112 is a deficient number, since it is larger than the sum of its proper divisors (9915325840228).

11331131311112 is a wasteful number, since it uses less digits than its factorization.

11331131311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39062872 (or 39062868 counting only the distinct ones).

The product of its digits is 162, while the sum is 23.

Adding to 11331131311112 its reverse (21111313113311), we get a palindrome (32442444424423).

The spelling of 11331131311112 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred eleven thousand, one hundred twelve".