11321217366 has 16 divisors (see below), whose sum is σ = 23626888704. Its totient is φ = 3609663464.

The previous prime is 11321217359. The next prime is 11321217367. The reversal of 11321217366 is 66371212311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321217367) 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, 41018766 + ... + 41019041.

It is an arithmetic number, because the mean of its divisors is an integer number (1476680544).

Almost surely, 2^11321217366 is an apocalyptic number.

11321217366 is an abundant number, since it is smaller than the sum of its proper divisors (12305671338).

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

11321217366 is a wasteful number, since it uses less digits than its factorization.

11321217366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82037835.

The product of its digits is 9072, while the sum is 33.

Adding to 11321217366 its reverse (66371212311), we get a palindrome (77692429677).

The spelling of 11321217366 in words is "eleven billion, three hundred twenty-one million, two hundred seventeen thousand, three hundred sixty-six".