206065115533 has 2 divisors, whose sum is σ = 206065115534. Its totient is φ = 206065115532.

The previous prime is 206065115471. The next prime is 206065115549. The reversal of 206065115533 is 335511560602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184416995844 + 21648119689 = 429438^2 + 147133^2 .

It is a cyclic number.

It is not a de Polignac number, because 206065115533 - 2¹³ = 206065107341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206065115492 and 206065115501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206065115563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103032557766 + 103032557767.

It is an arithmetic number, because the mean of its divisors is an integer number (103032557767).

Almost surely, 2^206065115533 is an apocalyptic number.

It is an amenable number.

206065115533 is a deficient number, since it is larger than the sum of its proper divisors (1).

206065115533 is an equidigital number, since it uses as much as digits as its factorization.

206065115533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 206065115533 in words is "two hundred six billion, sixty-five million, one hundred fifteen thousand, five hundred thirty-three".