200665121253 has 8 divisors (see below), whose sum is σ = 268157455008. Its totient is φ = 133474767504.

The previous prime is 200665121243. The next prime is 200665121281. The reversal of 200665121253 is 352121566002.

200665121253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-200665121253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200665121243) 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 7 ways as a sum of consecutive naturals, for example, 75493450 + ... + 75496107.

It is an arithmetic number, because the mean of its divisors is an integer number (33519681876).

Almost surely, 2^200665121253 is an apocalyptic number.

It is an amenable number.

200665121253 is a deficient number, since it is larger than the sum of its proper divisors (67492333755).

200665121253 is a wasteful number, since it uses less digits than its factorization.

200665121253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150990003.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 200665121253 its reverse (352121566002), we get a palindrome (552786687255).

The spelling of 200665121253 in words is "two hundred billion, six hundred sixty-five million, one hundred twenty-one thousand, two hundred fifty-three".