11563893709447 has 16 divisors (see below), whose sum is σ = 11992893753600. Its totient is φ = 11138423224320.

The previous prime is 11563893709397. The next prime is 11563893709463. The reversal of 11563893709447 is 74490739836511.

11563893709447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11563893709447 - 2³⁵ = 11529533971079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11563893701447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22009929 + ... + 22529197.

It is an arithmetic number, because the mean of its divisors is an integer number (749555859600).

Almost surely, 2^{11563893709447} is an apocalyptic number.

11563893709447 is a deficient number, since it is larger than the sum of its proper divisors (429000044153).

11563893709447 is a wasteful number, since it uses less digits than its factorization.

11563893709447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522666.

The product of its (nonzero) digits is 137168640, while the sum is 67.

The spelling of 11563893709447 in words is "eleven trillion, five hundred sixty-three billion, eight hundred ninety-three million, seven hundred nine thousand, four hundred forty-seven".