11421333432 has 48 divisors (see below), whose sum is σ = 30958939440. Its totient is φ = 3803891328.

The previous prime is 11421333383. The next prime is 11421333433. The reversal of 11421333432 is 23433312411.

It is a happy number.

11421333432 is a `hidden beast` number, since 1 + 14 + 213 + 3 + 3 + 432 = 666.

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 = 11421333396 and 11421333405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421333433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19413 + ... + 152379.

It is an arithmetic number, because the mean of its divisors is an integer number (644977905).

Almost surely, 2^11421333432 is an apocalyptic number.

11421333432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11421333432 is an abundant number, since it is smaller than the sum of its proper divisors (19537606008).

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

11421333432 is a wasteful number, since it uses less digits than its factorization.

11421333432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134172 (or 134165 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 11421333432 its reverse (23433312411), we get a palindrome (34854645843).

The spelling of 11421333432 in words is "eleven billion, four hundred twenty-one million, three hundred thirty-three thousand, four hundred thirty-two".