210553355355206 has 4 divisors (see below), whose sum is σ = 315830033032812. Its totient is φ = 105276677677602.

The previous prime is 210553355355199. The next prime is 210553355355227. The reversal of 210553355355206 is 602553553355012.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52638338838800 + ... + 52638338838803.

It is an arithmetic number, because the mean of its divisors is an integer number (78957508258203).

Almost surely, 2^{210553355355206} is an apocalyptic number.

210553355355206 is a deficient number, since it is larger than the sum of its proper divisors (105276677677606).

210553355355206 is a wasteful number, since it uses less digits than its factorization.

210553355355206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105276677677605.

The product of its (nonzero) digits is 10125000, while the sum is 50.

The spelling of 210553355355206 in words is "two hundred ten trillion, five hundred fifty-three billion, three hundred fifty-five million, three hundred fifty-five thousand, two hundred six".