218812814411 has 2 divisors, whose sum is σ = 218812814412. Its totient is φ = 218812814410.

The previous prime is 218812814401. The next prime is 218812814443. The reversal of 218812814411 is 114418218812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 218812814411 - 2³⁰ = 217739072587 is a prime.

It is not a weakly prime, because it can be changed into another prime (218812814401) 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, 109406407205 + 109406407206.

It is an arithmetic number, because the mean of its divisors is an integer number (109406407206).

Almost surely, 2^218812814411 is an apocalyptic number.

218812814411 is a deficient number, since it is larger than the sum of its proper divisors (1).

218812814411 is an equidigital number, since it uses as much as digits as its factorization.

218812814411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32768, while the sum is 41.

The spelling of 218812814411 in words is "two hundred eighteen billion, eight hundred twelve million, eight hundred fourteen thousand, four hundred eleven".