211366631311 has 8 divisors (see below), whose sum is σ = 230591217024. Its totient is φ = 192143618520.

The previous prime is 211366631269. The next prime is 211366631321. The reversal of 211366631311 is 113136663112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211366631311 - 2²⁷ = 211232413583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211366631321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102931 + ... + 658276.

It is an arithmetic number, because the mean of its divisors is an integer number (28823902128).

Almost surely, 2^211366631311 is an apocalyptic number.

211366631311 is a deficient number, since it is larger than the sum of its proper divisors (19224585713).

211366631311 is a wasteful number, since it uses less digits than its factorization.

211366631311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786461.

The product of its digits is 11664, while the sum is 34.

The spelling of 211366631311 in words is "two hundred eleven billion, three hundred sixty-six million, six hundred thirty-one thousand, three hundred eleven".