11133231132 has 24 divisors (see below), whose sum is σ = 26164432000. Its totient is φ = 3684378096.

The previous prime is 11133231119. The next prime is 11133231139. The reversal of 11133231132 is 23113233111.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11133231099 and 11133231108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133231139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3335632 + ... + 3338967.

Almost surely, 2^11133231132 is an apocalyptic number.

11133231132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11133231132 is an abundant number, since it is smaller than the sum of its proper divisors (15031200868).

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

11133231132 is a wasteful number, since it uses less digits than its factorization.

11133231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674745 (or 6674743 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

Adding to 11133231132 its reverse (23113233111), we get a palindrome (34246464243).

The spelling of 11133231132 in words is "eleven billion, one hundred thirty-three million, two hundred thirty-one thousand, one hundred thirty-two".