11827074209 has 2 divisors, whose sum is σ = 11827074210. Its totient is φ = 11827074208.

The previous prime is 11827074173. The next prime is 11827074211. The reversal of 11827074209 is 90247072811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7521745984 + 4305328225 = 86728^2 + 65615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11827074209 is a prime.

Together with 11827074211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11827074239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5913537104 + 5913537105.

It is an arithmetic number, because the mean of its divisors is an integer number (5913537105).

Almost surely, 2^11827074209 is an apocalyptic number.

It is an amenable number.

11827074209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11827074209 is an equidigital number, since it uses as much as digits as its factorization.

11827074209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 11827074209 in words is "eleven billion, eight hundred twenty-seven million, seventy-four thousand, two hundred nine".