11321166263 has 8 divisors (see below), whose sum is σ = 12361374336. Its totient is φ = 10282793400.

The previous prime is 11321166239. The next prime is 11321166301. The reversal of 11321166263 is 36266112311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11321166263 - 2²⁰ = 11320117687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321166163) 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, 445883 + ... + 470588.

It is an arithmetic number, because the mean of its divisors is an integer number (1545171792).

Almost surely, 2^11321166263 is an apocalyptic number.

11321166263 is a deficient number, since it is larger than the sum of its proper divisors (1040208073).

11321166263 is a wasteful number, since it uses less digits than its factorization.

11321166263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917605.

The product of its digits is 7776, while the sum is 32.

Adding to 11321166263 its reverse (36266112311), we get a palindrome (47587278574).

The spelling of 11321166263 in words is "eleven billion, three hundred twenty-one million, one hundred sixty-six thousand, two hundred sixty-three".