285212919611 has 2 divisors, whose sum is σ = 285212919612. Its totient is φ = 285212919610.

The previous prime is 285212919521. The next prime is 285212919659. The reversal of 285212919611 is 116919212582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285212919611 - 2¹⁰ = 285212918587 is a prime.

It is not a weakly prime, because it can be changed into another prime (285212919811) 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, 142606459805 + 142606459806.

It is an arithmetic number, because the mean of its divisors is an integer number (142606459806).

Almost surely, 2^285212919611 is an apocalyptic number.

285212919611 is a deficient number, since it is larger than the sum of its proper divisors (1).

285212919611 is an equidigital number, since it uses as much as digits as its factorization.

285212919611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 47.

The spelling of 285212919611 in words is "two hundred eighty-five billion, two hundred twelve million, nine hundred nineteen thousand, six hundred eleven".