11112133232 has 120 divisors (see below), whose sum is σ = 23845795200. Its totient is φ = 5009256448.

The previous prime is 11112133231. The next prime is 11112133237. The reversal of 11112133232 is 23233121111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112133231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23198369 + ... + 23198847.

It is an arithmetic number, because the mean of its divisors is an integer number (198714960).

Almost surely, 2^11112133232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112133232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11922897600).

11112133232 is an abundant number, since it is smaller than the sum of its proper divisors (12733661968).

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

11112133232 is a wasteful number, since it uses less digits than its factorization.

11112133232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 700 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 11112133232 its reverse (23233121111), we get a palindrome (34345254343).

The spelling of 11112133232 in words is "eleven billion, one hundred twelve million, one hundred thirty-three thousand, two hundred thirty-two".