11133211232 has 96 divisors (see below), whose sum is σ = 26113860864. Its totient is φ = 4605350400.

The previous prime is 11133211231. The next prime is 11133211259. The reversal of 11133211232 is 23211233111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133211231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307763 + ... + 342029.

It is an arithmetic number, because the mean of its divisors is an integer number (272019384).

Almost surely, 2^11133211232 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 11133211232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13056930432).

11133211232 is an abundant number, since it is smaller than the sum of its proper divisors (14980649632).

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

11133211232 is a wasteful number, since it uses less digits than its factorization.

11133211232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34372 (or 34364 counting only the distinct ones).

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

Adding to 11133211232 its reverse (23211233111), we get a palindrome (34344444343).

The spelling of 11133211232 in words is "eleven billion, one hundred thirty-three million, two hundred eleven thousand, two hundred thirty-two".