206555062571203 has 4 divisors (see below), whose sum is σ = 206567094688480. Its totient is φ = 206543030453928.

The previous prime is 206555062571119. The next prime is 206555062571233. The reversal of 206555062571203 is 302175260555602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206555062571203 - 2¹³ = 206555062563011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206555062571233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6016032888 + ... + 6016067221.

It is an arithmetic number, because the mean of its divisors is an integer number (51641773672120).

Almost surely, 2^{206555062571203} is an apocalyptic number.

206555062571203 is a deficient number, since it is larger than the sum of its proper divisors (12032117277).

206555062571203 is a wasteful number, since it uses less digits than its factorization.

206555062571203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12032117276.

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 206555062571203 in words is "two hundred six trillion, five hundred fifty-five billion, sixty-two million, five hundred seventy-one thousand, two hundred three".