206260615201 has 2 divisors, whose sum is σ = 206260615202. Its totient is φ = 206260615200.

The previous prime is 206260615193. The next prime is 206260615241. The reversal of 206260615201 is 102516062602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166549691025 + 39710924176 = 408105^2 + 199276^2 .

It is a cyclic number.

It is not a de Polignac number, because 206260615201 - 2³ = 206260615193 is a prime.

It is not a weakly prime, because it can be changed into another prime (206260615241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103130307600 + 103130307601.

It is an arithmetic number, because the mean of its divisors is an integer number (103130307601).

Almost surely, 2^206260615201 is an apocalyptic number.

It is an amenable number.

206260615201 is a deficient number, since it is larger than the sum of its proper divisors (1).

206260615201 is an equidigital number, since it uses as much as digits as its factorization.

206260615201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 206260615201 its reverse (102516062602), we get a palindrome (308776677803).

The spelling of 206260615201 in words is "two hundred six billion, two hundred sixty million, six hundred fifteen thousand, two hundred one".