200771065251 has 24 divisors (see below), whose sum is σ = 294060560976. Its totient is φ = 131980692480.

The previous prime is 200771065247. The next prime is 200771065331. The reversal of 200771065251 is 152560177002.

200771065251 is a `hidden beast` number, since 20 + 0 + 7 + 7 + 106 + 525 + 1 = 666.

It is not a de Polignac number, because 200771065251 - 2² = 200771065247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200771065751) 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 23 ways as a sum of consecutive naturals, for example, 131251 + ... + 647123.

It is an arithmetic number, because the mean of its divisors is an integer number (12252523374).

Almost surely, 2^200771065251 is an apocalyptic number.

200771065251 is a deficient number, since it is larger than the sum of its proper divisors (93289495725).

200771065251 is a wasteful number, since it uses less digits than its factorization.

200771065251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516483 (or 516480 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The spelling of 200771065251 in words is "two hundred billion, seven hundred seventy-one million, sixty-five thousand, two hundred fifty-one".