200085811181 has 2 divisors, whose sum is σ = 200085811182. Its totient is φ = 200085811180.

The previous prime is 200085811169. The next prime is 200085811201. The reversal of 200085811181 is 181118580002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183298721956 + 16787089225 = 428134^2 + 129565^2 .

It is a cyclic number.

It is not a de Polignac number, because 200085811181 - 2⁶ = 200085811117 is a prime.

It is a super-3 number, since 3×200085811181³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200085811111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100042905590 + 100042905591.

It is an arithmetic number, because the mean of its divisors is an integer number (100042905591).

Almost surely, 2^200085811181 is an apocalyptic number.

It is an amenable number.

200085811181 is a deficient number, since it is larger than the sum of its proper divisors (1).

200085811181 is an equidigital number, since it uses as much as digits as its factorization.

200085811181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 35.

The spelling of 200085811181 in words is "two hundred billion, eighty-five million, eight hundred eleven thousand, one hundred eighty-one".