11684212247 has 2 divisors, whose sum is σ = 11684212248. Its totient is φ = 11684212246.

The previous prime is 11684212223. The next prime is 11684212249. The reversal of 11684212247 is 74221248611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11684212247 - 2¹⁰ = 11684211223 is a prime.

Together with 11684212249, 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 11684212247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11684212249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5842106123 + 5842106124.

It is an arithmetic number, because the mean of its divisors is an integer number (5842106124).

Almost surely, 2^11684212247 is an apocalyptic number.

11684212247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11684212247 is an equidigital number, since it uses as much as digits as its factorization.

11684212247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 38.

The spelling of 11684212247 in words is "eleven billion, six hundred eighty-four million, two hundred twelve thousand, two hundred forty-seven".