11549686667 has 2 divisors, whose sum is σ = 11549686668. Its totient is φ = 11549686666.

The previous prime is 11549686663. The next prime is 11549686703. The reversal of 11549686667 is 76668694511.

11549686667 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 an emirp because it is prime and its reverse (76668694511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11549686667 - 2² = 11549686663 is a prime.

It is not a weakly prime, because it can be changed into another prime (11549686663) 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, 5774843333 + 5774843334.

It is an arithmetic number, because the mean of its divisors is an integer number (5774843334).

Almost surely, 2^11549686667 is an apocalyptic number.

11549686667 is a deficient number, since it is larger than the sum of its proper divisors (1).

11549686667 is an equidigital number, since it uses as much as digits as its factorization.

11549686667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 59.

The spelling of 11549686667 in words is "eleven billion, five hundred forty-nine million, six hundred eighty-six thousand, six hundred sixty-seven".