200661536521315 has 4 divisors (see below), whose sum is σ = 240793843825584. Its totient is φ = 160529229217048.

The previous prime is 200661536521181. The next prime is 200661536521319. The reversal of 200661536521315 is 513125635166002.

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 200661536521315 - 2¹⁷ = 200661536390243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200661536521319) 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, 20066153652127 + ... + 20066153652136.

It is an arithmetic number, because the mean of its divisors is an integer number (60198460956396).

Almost surely, 2^{200661536521315} is an apocalyptic number.

200661536521315 is a deficient number, since it is larger than the sum of its proper divisors (40132307304269).

200661536521315 is an equidigital number, since it uses as much as digits as its factorization.

200661536521315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40132307304268.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 200661536521315 in words is "two hundred trillion, six hundred sixty-one billion, five hundred thirty-six million, five hundred twenty-one thousand, three hundred fifteen".