11011323133 has 2 divisors, whose sum is σ = 11011323134. Its totient is φ = 11011323132.

The previous prime is 11011323131. The next prime is 11011323151. The reversal of 11011323133 is 33132311011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6658886404 + 4352436729 = 81602^2 + 65973^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011323133 - 2¹ = 11011323131 is a prime.

Together with 11011323131, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11011323133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011323131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505661566 + 5505661567.

It is an arithmetic number, because the mean of its divisors is an integer number (5505661567).

Almost surely, 2^11011323133 is an apocalyptic number.

It is an amenable number.

11011323133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011323133 is an equidigital number, since it uses as much as digits as its factorization.

11011323133 is an evil number, because the sum of its binary digits is even.

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

Adding to 11011323133 its reverse (33132311011), we get a palindrome (44143634144).

The spelling of 11011323133 in words is "eleven billion, eleven million, three hundred twenty-three thousand, one hundred thirty-three".