211892311804 has 12 divisors (see below), whose sum is σ = 371024545528. Its totient is φ = 105885298800.

The previous prime is 211892311751. The next prime is 211892311817. The reversal of 211892311804 is 408113298112.

211892311804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15206442 + ... + 15220369.

Almost surely, 2^211892311804 is an apocalyptic number.

It is an amenable number.

211892311804 is a deficient number, since it is larger than the sum of its proper divisors (159132233724).

211892311804 is a wasteful number, since it uses less digits than its factorization.

211892311804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30428556 (or 30428554 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The spelling of 211892311804 in words is "two hundred eleven billion, eight hundred ninety-two million, three hundred eleven thousand, eight hundred four".