206041053505 has 16 divisors (see below), whose sum is σ = 286441421184. Its totient is φ = 139349877120.

The previous prime is 206041053497. The next prime is 206041053521. The reversal of 206041053505 is 505350140602.

206041053505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206041053505 - 2³ = 206041053497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40318591 + ... + 40323700.

It is an arithmetic number, because the mean of its divisors is an integer number (17902588824).

Almost surely, 2^206041053505 is an apocalyptic number.

It is an amenable number.

206041053505 is a deficient number, since it is larger than the sum of its proper divisors (80400367679).

206041053505 is an equidigital number, since it uses as much as digits as its factorization.

206041053505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80642376.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 206041053505 in words is "two hundred six billion, forty-one million, fifty-three thousand, five hundred five".