218056300855907 has 2 divisors, whose sum is σ = 218056300855908. Its totient is φ = 218056300855906.

The previous prime is 218056300855903. The next prime is 218056300855927. The reversal of 218056300855907 is 709558003650812.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 218056300855907 - 2² = 218056300855903 is a prime.

It is not a weakly prime, because it can be changed into another prime (218056300855903) 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, 109028150427953 + 109028150427954.

It is an arithmetic number, because the mean of its divisors is an integer number (109028150427954).

Almost surely, 2^{218056300855907} is an apocalyptic number.

218056300855907 is a deficient number, since it is larger than the sum of its proper divisors (1).

218056300855907 is an equidigital number, since it uses as much as digits as its factorization.

218056300855907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144000, while the sum is 59.

The spelling of 218056300855907 in words is "two hundred eighteen trillion, fifty-six billion, three hundred million, eight hundred fifty-five thousand, nine hundred seven".