11646316111 has 2 divisors, whose sum is σ = 11646316112. Its totient is φ = 11646316110.

The previous prime is 11646316109. The next prime is 11646316163. The reversal of 11646316111 is 11161364611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11646316111 - 2¹ = 11646316109 is a prime.

Together with 11646316109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11646316181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5823158055 + 5823158056.

It is an arithmetic number, because the mean of its divisors is an integer number (5823158056).

Almost surely, 2^11646316111 is an apocalyptic number.

11646316111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11646316111 is an equidigital number, since it uses as much as digits as its factorization.

11646316111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The spelling of 11646316111 in words is "eleven billion, six hundred forty-six million, three hundred sixteen thousand, one hundred eleven".