11131132112 has 10 divisors (see below), whose sum is σ = 21566568498. Its totient is φ = 5565566048.

The previous prime is 11131132099. The next prime is 11131132123. The reversal of 11131132112 is 21123113111.

It can be written as a sum of positive squares in only one way, i.e., 7280184976 + 3850947136 = 85324^2 + 62056^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347847863 + ... + 347847894.

Almost surely, 2^11131132112 is an apocalyptic number.

It is an amenable number.

11131132112 is a deficient number, since it is larger than the sum of its proper divisors (10435436386).

11131132112 is an equidigital number, since it uses as much as digits as its factorization.

11131132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695695765 (or 695695759 counting only the distinct ones).

The product of its digits is 36, while the sum is 17.

Adding to 11131132112 its reverse (21123113111), we get a palindrome (32254245223).

The spelling of 11131132112 in words is "eleven billion, one hundred thirty-one million, one hundred thirty-two thousand, one hundred twelve".