211284060311 has 4 divisors (see below), whose sum is σ = 211294548912. Its totient is φ = 211273571712.

The previous prime is 211284060307. The next prime is 211284060331. The reversal of 211284060311 is 113060482112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211284060311 - 2² = 211284060307 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 (211284060331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5214026 + ... + 5254391.

It is an arithmetic number, because the mean of its divisors is an integer number (52823637228).

Almost surely, 2^211284060311 is an apocalyptic number.

211284060311 is a deficient number, since it is larger than the sum of its proper divisors (10488601).

211284060311 is a wasteful number, since it uses less digits than its factorization.

211284060311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10488600.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 211284060311 in words is "two hundred eleven billion, two hundred eighty-four million, sixty thousand, three hundred eleven".