11633323321 has 2 divisors, whose sum is σ = 11633323322. Its totient is φ = 11633323320.

The previous prime is 11633323309. The next prime is 11633323343. The reversal of 11633323321 is 12332333611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7269267600 + 4364055721 = 85260^2 + 66061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11633323321 is a prime.

It is a super-2 number, since 2×11633323321² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11633323321.

It is not a weakly prime, because it can be changed into another prime (11633321321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5816661660 + 5816661661.

It is an arithmetic number, because the mean of its divisors is an integer number (5816661661).

Almost surely, 2^11633323321 is an apocalyptic number.

It is an amenable number.

11633323321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11633323321 is an equidigital number, since it uses as much as digits as its factorization.

11633323321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 28.

Adding to 11633323321 its reverse (12332333611), we get a palindrome (23965656932).

The spelling of 11633323321 in words is "eleven billion, six hundred thirty-three million, three hundred twenty-three thousand, three hundred twenty-one".