11133440112 has 80 divisors (see below), whose sum is σ = 29837376000. Its totient is φ = 3573034752.

The previous prime is 11133440093. The next prime is 11133440209. The reversal of 11133440112 is 21104433111.

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, 488589 + ... + 510867.

It is an arithmetic number, because the mean of its divisors is an integer number (372967200).

Almost surely, 2^11133440112 is an apocalyptic number.

11133440112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11133440112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14918688000).

11133440112 is an abundant number, since it is smaller than the sum of its proper divisors (18703935888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11133440112 is a wasteful number, since it uses less digits than its factorization.

11133440112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22678 (or 22672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11133440112 its reverse (21104433111), we get a palindrome (32237873223).

The spelling of 11133440112 in words is "eleven billion, one hundred thirty-three million, four hundred forty thousand, one hundred twelve".