11311011112 has 16 divisors (see below), whose sum is σ = 21608300340. Its totient is φ = 5548797696.

The previous prime is 11311011097. The next prime is 11311011121. The reversal of 11311011112 is 21111011311.

It can be written as a sum of positive squares in 2 ways, for example, as 11141646916 + 169364196 = 105554^2 + 13014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11311011092 and 11311011101.

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, 13338033 + ... + 13338880.

Almost surely, 2^11311011112 is an apocalyptic number.

It is an amenable number.

11311011112 is a deficient number, since it is larger than the sum of its proper divisors (10297289228).

11311011112 is a wasteful number, since it uses less digits than its factorization.

11311011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26676972 (or 26676968 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 11311011112 its reverse (21111011311), we get a palindrome (32422022423).

The spelling of 11311011112 in words is "eleven billion, three hundred eleven million, eleven thousand, one hundred twelve".