185242063211 has 2 divisors, whose sum is σ = 185242063212. Its totient is φ = 185242063210.

The previous prime is 185242063207. The next prime is 185242063219. The reversal of 185242063211 is 112360242581.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 185242063211 - 2² = 185242063207 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (185242063219) 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, 92621031605 + 92621031606.

It is an arithmetic number, because the mean of its divisors is an integer number (92621031606).

Almost surely, 2^185242063211 is an apocalyptic number.

185242063211 is a deficient number, since it is larger than the sum of its proper divisors (1).

185242063211 is an equidigital number, since it uses as much as digits as its factorization.

185242063211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 185242063211 in words is "one hundred eighty-five billion, two hundred forty-two million, sixty-three thousand, two hundred eleven".