211838207841208 has 32 divisors (see below), whose sum is σ = 427751552788560. Its totient is φ = 97771177589760.

The previous prime is 211838207841199. The next prime is 211838207841209. The reversal of 211838207841208 is 802148702838112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211838207841209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32496616 + ... + 38466952.

Almost surely, 2^{211838207841208} is an apocalyptic number.

It is an amenable number.

211838207841208 is an abundant number, since it is smaller than the sum of its proper divisors (215913344947352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211838207841208 is a wasteful number, since it uses less digits than its factorization.

211838207841208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311527 (or 6311523 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 55.

The spelling of 211838207841208 in words is "two hundred eleven trillion, eight hundred thirty-eight billion, two hundred seven million, eight hundred forty-one thousand, two hundred eight".