200606125591 has 2 divisors, whose sum is σ = 200606125592. Its totient is φ = 200606125590.

The previous prime is 200606125583. The next prime is 200606125703. The reversal of 200606125591 is 195521606002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200606125591 - 2³ = 200606125583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200606125591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200606135591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100303062795 + 100303062796.

It is an arithmetic number, because the mean of its divisors is an integer number (100303062796).

Almost surely, 2^200606125591 is an apocalyptic number.

200606125591 is a deficient number, since it is larger than the sum of its proper divisors (1).

200606125591 is an equidigital number, since it uses as much as digits as its factorization.

200606125591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 200606125591 in words is "two hundred billion, six hundred six million, one hundred twenty-five thousand, five hundred ninety-one".