11321013133 has 4 divisors (see below), whose sum is σ = 11986955100. Its totient is φ = 10655071168.

The previous prime is 11321013131. The next prime is 11321013199. The reversal of 11321013133 is 33131012311.

11321013133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7017915529 + 4303097604 = 83773^2 + 65598^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321013133 - 2¹ = 11321013131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11321013133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321013131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332970958 + ... + 332970991.

It is an arithmetic number, because the mean of its divisors is an integer number (2996738775).

Almost surely, 2^11321013133 is an apocalyptic number.

It is an amenable number.

11321013133 is a deficient number, since it is larger than the sum of its proper divisors (665941967).

11321013133 is an equidigital number, since it uses as much as digits as its factorization.

11321013133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665941966.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11321013133 its reverse (33131012311), we get a palindrome (44452025444).

The spelling of 11321013133 in words is "eleven billion, three hundred twenty-one million, thirteen thousand, one hundred thirty-three".