11670981659 has 2 divisors, whose sum is σ = 11670981660. Its totient is φ = 11670981658.

The previous prime is 11670981631. The next prime is 11670981733. The reversal of 11670981659 is 95618907611.

11670981659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11670981659 - 2¹⁶ = 11670916123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11670981659.

It is not a weakly prime, because it can be changed into another prime (11670981359) 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, 5835490829 + 5835490830.

It is an arithmetic number, because the mean of its divisors is an integer number (5835490830).

Almost surely, 2^11670981659 is an apocalyptic number.

11670981659 is a deficient number, since it is larger than the sum of its proper divisors (1).

11670981659 is an equidigital number, since it uses as much as digits as its factorization.

11670981659 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 11670981659 in words is "eleven billion, six hundred seventy million, nine hundred eighty-one thousand, six hundred fifty-nine".