11405635867 has 2 divisors, whose sum is σ = 11405635868. Its totient is φ = 11405635866.

The previous prime is 11405635831. The next prime is 11405635919. The reversal of 11405635867 is 76853650411.

It is a happy number.

11405635867 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 11405635867 - 2⁷ = 11405635739 is a prime.

It is not a weakly prime, because it can be changed into another prime (11405605867) 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, 5702817933 + 5702817934.

It is an arithmetic number, because the mean of its divisors is an integer number (5702817934).

Almost surely, 2^11405635867 is an apocalyptic number.

11405635867 is a deficient number, since it is larger than the sum of its proper divisors (1).

11405635867 is an equidigital number, since it uses as much as digits as its factorization.

11405635867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 11405635867 in words is "eleven billion, four hundred five million, six hundred thirty-five thousand, eight hundred sixty-seven".