11321033218 has 24 divisors (see below), whose sum is σ = 18740136240. Its totient is φ = 5125395000.

The previous prime is 11321033183. The next prime is 11321033219. The reversal of 11321033218 is 81233012311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11321033192 and 11321033201.

It is not an unprimeable number, because it can be changed into a prime (11321033219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32448 + ... + 153931.

It is an arithmetic number, because the mean of its divisors is an integer number (780839010).

Almost surely, 2^11321033218 is an apocalyptic number.

11321033218 is a deficient number, since it is larger than the sum of its proper divisors (7419103022).

11321033218 is a wasteful number, since it uses less digits than its factorization.

11321033218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186654 (or 186643 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 11321033218 its reverse (81233012311), we get a palindrome (92554045529).

The spelling of 11321033218 in words is "eleven billion, three hundred twenty-one million, thirty-three thousand, two hundred eighteen".