11718056969 has 2 divisors, whose sum is σ = 11718056970. Its totient is φ = 11718056968.

The previous prime is 11718056927. The next prime is 11718056971. The reversal of 11718056969 is 96965081711.

11718056969 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 can be written as a sum of positive squares in only one way, i.e., 10164672400 + 1553384569 = 100820^2 + 39413^2 .

It is an emirp because it is prime and its reverse (96965081711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11718056969 - 2¹² = 11718052873 is a prime.

It is a super-2 number, since 2×11718056969² (a number of 21 digits) contains 22 as substring.

Together with 11718056971, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11718056969.

It is not a weakly prime, because it can be changed into another prime (11718056869) 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, 5859028484 + 5859028485.

It is an arithmetic number, because the mean of its divisors is an integer number (5859028485).

Almost surely, 2^11718056969 is an apocalyptic number.

It is an amenable number.

11718056969 is a deficient number, since it is larger than the sum of its proper divisors (1).

11718056969 is an equidigital number, since it uses as much as digits as its factorization.

11718056969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 53.

The spelling of 11718056969 in words is "eleven billion, seven hundred eighteen million, fifty-six thousand, nine hundred sixty-nine".