211411330818 has 16 divisors (see below), whose sum is σ = 423631124256. Its totient is φ = 70335699840.

The previous prime is 211411330813. The next prime is 211411330873. The reversal of 211411330818 is 818033114112.

211411330818 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211411330813) 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, 33682543 + ... + 33688818.

It is an arithmetic number, because the mean of its divisors is an integer number (26476945266).

Almost surely, 2^211411330818 is an apocalyptic number.

211411330818 is an abundant number, since it is smaller than the sum of its proper divisors (212219793438).

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

211411330818 is a wasteful number, since it uses less digits than its factorization.

211411330818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67371889.

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 211411330818 in words is "two hundred eleven billion, four hundred eleven million, three hundred thirty thousand, eight hundred eighteen".