200512550191 has 2 divisors, whose sum is σ = 200512550192. Its totient is φ = 200512550190.

The previous prime is 200512550179. The next prime is 200512550237. The reversal of 200512550191 is 191055215002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200512550191 - 2⁵ = 200512550159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200512550111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100256275095 + 100256275096.

It is an arithmetic number, because the mean of its divisors is an integer number (100256275096).

Almost surely, 2^200512550191 is an apocalyptic number.

200512550191 is a deficient number, since it is larger than the sum of its proper divisors (1).

200512550191 is an equidigital number, since it uses as much as digits as its factorization.

200512550191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 200512550191 its reverse (191055215002), we get a palindrome (391567765193).

The spelling of 200512550191 in words is "two hundred billion, five hundred twelve million, five hundred fifty thousand, one hundred ninety-one".