200944371377561 has 32 divisors (see below), whose sum is σ = 237603564656640. Its totient is φ = 166357691712000.

The previous prime is 200944371377549. The next prime is 200944371377663. The reversal of 200944371377561 is 165773173449002.

It is a cyclic number.

It is not a de Polignac number, because 200944371377561 - 2²² = 200944367183257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200944371377561.

It is not an unprimeable number, because it can be changed into a prime (200944371371561) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 312419480 + ... + 313062006.

It is an arithmetic number, because the mean of its divisors is an integer number (7425111395520).

Almost surely, 2^{200944371377561} is an apocalyptic number.

It is an amenable number.

200944371377561 is a deficient number, since it is larger than the sum of its proper divisors (36659193279079).

200944371377561 is a wasteful number, since it uses less digits than its factorization.

200944371377561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653465.

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 200944371377561 in words is "two hundred trillion, nine hundred forty-four billion, three hundred seventy-one million, three hundred seventy-seven thousand, five hundred sixty-one".