11563231327 has 2 divisors, whose sum is σ = 11563231328. Its totient is φ = 11563231326.

The previous prime is 11563231151. The next prime is 11563231331. The reversal of 11563231327 is 72313236511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11563231327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11563231292 and 11563231301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11563232327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5781615663 + 5781615664.

It is an arithmetic number, because the mean of its divisors is an integer number (5781615664).

Almost surely, 2^11563231327 is an apocalyptic number.

11563231327 is a deficient number, since it is larger than the sum of its proper divisors (1).

11563231327 is an equidigital number, since it uses as much as digits as its factorization.

11563231327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

Adding to 11563231327 its reverse (72313236511), we get a palindrome (83876467838).

The spelling of 11563231327 in words is "eleven billion, five hundred sixty-three million, two hundred thirty-one thousand, three hundred twenty-seven".