211404000611 has 4 divisors (see below), whose sum is σ = 211436004192. Its totient is φ = 211371997032.

The previous prime is 211404000571. The next prime is 211404000641. The reversal of 211404000611 is 116000404112.

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 211404000611 - 2²² = 211399806307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211404000641) 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, 15991880 + ... + 16005093.

It is an arithmetic number, because the mean of its divisors is an integer number (52859001048).

Almost surely, 2^211404000611 is an apocalyptic number.

211404000611 is a deficient number, since it is larger than the sum of its proper divisors (32003581).

211404000611 is an equidigital number, since it uses as much as digits as its factorization.

211404000611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32003580.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211404000611 its reverse (116000404112), we get a palindrome (327404404723).

The spelling of 211404000611 in words is "two hundred eleven billion, four hundred four million, six hundred eleven", and thus it is an aban number.