11321086864 has 20 divisors (see below), whose sum is σ = 22888285056. Its totient is φ = 5414432672.

The previous prime is 11321086849. The next prime is 11321086867. The reversal of 11321086864 is 46868012311.

It is not an unprimeable number, because it can be changed into a prime (11321086867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15381544 + ... + 15382279.

Almost surely, 2^11321086864 is an apocalyptic number.

It is an amenable number.

11321086864 is an abundant number, since it is smaller than the sum of its proper divisors (11567198192).

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

11321086864 is a wasteful number, since it uses less digits than its factorization.

11321086864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30763854 (or 30763848 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 11321086864 in words is "eleven billion, three hundred twenty-one million, eighty-six thousand, eight hundred sixty-four".