11564643603411 has 24 divisors (see below), whose sum is σ = 16867547105760. Its totient is φ = 7634510896896.

The previous prime is 11564643603389. The next prime is 11564643603421. The reversal of 11564643603411 is 11430634646511.

It is a happy number.

11564643603411 is a `hidden beast` number, since 1 + 1 + 564 + 6 + 43 + 6 + 0 + 3 + 41 + 1 = 666.

11564643603411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11564643603411 - 2¹¹ = 11564643601363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11564643603421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17953755 + ... + 18586731.

It is an arithmetic number, because the mean of its divisors is an integer number (702814462740).

Almost surely, 2^{11564643603411} is an apocalyptic number.

11564643603411 is a deficient number, since it is larger than the sum of its proper divisors (5302903502349).

11564643603411 is a wasteful number, since it uses less digits than its factorization.

11564643603411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652795 (or 652792 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 11564643603411 in words is "eleven trillion, five hundred sixty-four billion, six hundred forty-three million, six hundred three thousand, four hundred eleven".