211115827244827 has 2 divisors, whose sum is σ = 211115827244828. Its totient is φ = 211115827244826.

The previous prime is 211115827244821. The next prime is 211115827244837. The reversal of 211115827244827 is 728442728511112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211115827244827 is a prime.

It is not a weakly prime, because it can be changed into another prime (211115827244821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105557913622413 + 105557913622414.

It is an arithmetic number, because the mean of its divisors is an integer number (105557913622414).

Almost surely, 2^{211115827244827} is an apocalyptic number.

211115827244827 is a deficient number, since it is larger than the sum of its proper divisors (1).

211115827244827 is an equidigital number, since it uses as much as digits as its factorization.

211115827244827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4014080, while the sum is 55.

The spelling of 211115827244827 in words is "two hundred eleven trillion, one hundred fifteen billion, eight hundred twenty-seven million, two hundred forty-four thousand, eight hundred twenty-seven".