218056300855927 has 2 divisors, whose sum is σ = 218056300855928. Its totient is φ = 218056300855926.

The previous prime is 218056300855907. The next prime is 218056300855997. The reversal of 218056300855927 is 729558003650812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 218056300855927 - 2⁴⁷ = 77318812500599 is a prime.

It is a super-2 number, since 2×218056300855927² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218056300855907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109028150427963 + 109028150427964.

It is an arithmetic number, because the mean of its divisors is an integer number (109028150427964).

Almost surely, 2^{218056300855927} is an apocalyptic number.

218056300855927 is a deficient number, since it is larger than the sum of its proper divisors (1).

218056300855927 is an equidigital number, since it uses as much as digits as its factorization.

218056300855927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288000, while the sum is 61.

The spelling of 218056300855927 in words is "two hundred eighteen trillion, fifty-six billion, three hundred million, eight hundred fifty-five thousand, nine hundred twenty-seven".