11563932851 has 2 divisors, whose sum is σ = 11563932852. Its totient is φ = 11563932850.

The previous prime is 11563932839. The next prime is 11563932901. The reversal of 11563932851 is 15823936511.

11563932851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11563932851 - 2¹⁸ = 11563670707 is a prime.

It is not a weakly prime, because it can be changed into another prime (11563932451) 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 as a sum of consecutive naturals, namely, 5781966425 + 5781966426.

It is an arithmetic number, because the mean of its divisors is an integer number (5781966426).

Almost surely, 2^11563932851 is an apocalyptic number.

11563932851 is a deficient number, since it is larger than the sum of its proper divisors (1).

11563932851 is an equidigital number, since it uses as much as digits as its factorization.

11563932851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 44.

The spelling of 11563932851 in words is "eleven billion, five hundred sixty-three million, nine hundred thirty-two thousand, eight hundred fifty-one".