210553355355199 has 2 divisors, whose sum is σ = 210553355355200. Its totient is φ = 210553355355198.

The previous prime is 210553355355131. The next prime is 210553355355227. The reversal of 210553355355199 is 991553553355012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210553355355199 - 2³¹ = 210551207871551 is a prime.

It is a super-2 number, since 2×210553355355199² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210553355355899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105276677677599 + 105276677677600.

It is an arithmetic number, because the mean of its divisors is an integer number (105276677677600).

Almost surely, 2^{210553355355199} is an apocalyptic number.

210553355355199 is a deficient number, since it is larger than the sum of its proper divisors (1).

210553355355199 is an equidigital number, since it uses as much as digits as its factorization.

210553355355199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68343750, while the sum is 61.

The spelling of 210553355355199 in words is "two hundred ten trillion, five hundred fifty-three billion, three hundred fifty-five million, three hundred fifty-five thousand, one hundred ninety-nine".