11133401243 has 2 divisors, whose sum is σ = 11133401244. Its totient is φ = 11133401242.

The previous prime is 11133401203. The next prime is 11133401261. The reversal of 11133401243 is 34210433111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11133401243 - 2⁶ = 11133401179 is a prime.

It is not a weakly prime, because it can be changed into another prime (11133401203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566700621 + 5566700622.

It is an arithmetic number, because the mean of its divisors is an integer number (5566700622).

Almost surely, 2^11133401243 is an apocalyptic number.

11133401243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11133401243 is an equidigital number, since it uses as much as digits as its factorization.

11133401243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11133401243 its reverse (34210433111), we get a palindrome (45343834354).

The spelling of 11133401243 in words is "eleven billion, one hundred thirty-three million, four hundred one thousand, two hundred forty-three".