11563047247 has 4 divisors (see below), whose sum is σ = 11568445120. Its totient is φ = 11557649376.

The previous prime is 11563047229. The next prime is 11563047257. The reversal of 11563047247 is 74274036511.

11563047247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74274036511 = 109 ⋅681413179.

It is a cyclic number.

It is not a de Polignac number, because 11563047247 - 2¹¹ = 11563045199 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 (11563047257) 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 in 3 ways as a sum of consecutive naturals, for example, 2695722 + ... + 2700007.

It is an arithmetic number, because the mean of its divisors is an integer number (2892111280).

Almost surely, 2^11563047247 is an apocalyptic number.

11563047247 is a deficient number, since it is larger than the sum of its proper divisors (5397873).

11563047247 is an equidigital number, since it uses as much as digits as its factorization.

11563047247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397872.

The product of its (nonzero) digits is 141120, while the sum is 40.

It can be divided in two parts, 1156 and 3047247, that added together give a palindrome (3048403).

The spelling of 11563047247 in words is "eleven billion, five hundred sixty-three million, forty-seven thousand, two hundred forty-seven".