11331320322133 has 4 divisors (see below), whose sum is σ = 12950080368160. Its totient is φ = 9712560276108.

The previous prime is 11331320322073. The next prime is 11331320322169. The reversal of 11331320322133 is 33122302313311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331320322133 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 (11331320325133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809380023003 + ... + 809380023016.

It is an arithmetic number, because the mean of its divisors is an integer number (3237520092040).

Almost surely, 2^{11331320322133} is an apocalyptic number.

It is an amenable number.

11331320322133 is a deficient number, since it is larger than the sum of its proper divisors (1618760046027).

11331320322133 is an equidigital number, since it uses as much as digits as its factorization.

11331320322133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618760046026.

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

Adding to 11331320322133 its reverse (33122302313311), we get a palindrome (44453622635444).

The spelling of 11331320322133 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty million, three hundred twenty-two thousand, one hundred thirty-three".