11562523943 has 2 divisors, whose sum is σ = 11562523944. Its totient is φ = 11562523942.

The previous prime is 11562523919. The next prime is 11562523949. The reversal of 11562523943 is 34932526511.

11562523943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (34932526511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11562523943 - 2¹² = 11562519847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11562523943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11562523949) 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, 5781261971 + 5781261972.

It is an arithmetic number, because the mean of its divisors is an integer number (5781261972).

Almost surely, 2^11562523943 is an apocalyptic number.

11562523943 is a deficient number, since it is larger than the sum of its proper divisors (1).

11562523943 is an equidigital number, since it uses as much as digits as its factorization.

11562523943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The spelling of 11562523943 in words is "eleven billion, five hundred sixty-two million, five hundred twenty-three thousand, nine hundred forty-three".