11321201232 has 60 divisors (see below), whose sum is σ = 34563975264. Its totient is φ = 3430666560.

The previous prime is 11321201189. The next prime is 11321201257. The reversal of 11321201232 is 23210212311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3572028 + ... + 3575195.

Almost surely, 2^11321201232 is an apocalyptic number.

11321201232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11321201232 is an abundant number, since it is smaller than the sum of its proper divisors (23242774032).

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

11321201232 is a wasteful number, since it uses less digits than its factorization.

11321201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147248 (or 7147239 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11321201232 its reverse (23210212311), we get a palindrome (34531413543).

The spelling of 11321201232 in words is "eleven billion, three hundred twenty-one million, two hundred one thousand, two hundred thirty-two".