11806281841 has 2 divisors, whose sum is σ = 11806281842. Its totient is φ = 11806281840.

The previous prime is 11806281833. The next prime is 11806281857. The reversal of 11806281841 is 14818260811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7222450225 + 4583831616 = 84985^2 + 67704^2 .

It is a cyclic number.

It is not a de Polignac number, because 11806281841 - 2³ = 11806281833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11806281794 and 11806281803.

It is not a weakly prime, because it can be changed into another prime (11806287841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5903140920 + 5903140921.

It is an arithmetic number, because the mean of its divisors is an integer number (5903140921).

Almost surely, 2^11806281841 is an apocalyptic number.

It is an amenable number.

11806281841 is a deficient number, since it is larger than the sum of its proper divisors (1).

11806281841 is an equidigital number, since it uses as much as digits as its factorization.

11806281841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 40.

The spelling of 11806281841 in words is "eleven billion, eight hundred six million, two hundred eighty-one thousand, eight hundred forty-one".