211533316316 has 24 divisors (see below), whose sum is σ = 423285606240. Its totient is φ = 90610212672.

The previous prime is 211533316297. The next prime is 211533316321. The reversal of 211533316316 is 613613335112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900031 + ... + 2008278.

It is an arithmetic number, because the mean of its divisors is an integer number (17636900260).

Almost surely, 2^211533316316 is an apocalyptic number.

It is an amenable number.

211533316316 is an abundant number, since it is smaller than the sum of its proper divisors (211752289924).

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

211533316316 is a wasteful number, since it uses less digits than its factorization.

211533316316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910253 (or 3910251 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The spelling of 211533316316 in words is "two hundred eleven billion, five hundred thirty-three million, three hundred sixteen thousand, three hundred sixteen".