211404000605 has 16 divisors (see below), whose sum is σ = 289962478080. Its totient is φ = 144944247552.

The previous prime is 211404000571. The next prime is 211404000641. The reversal of 211404000605 is 506000404112.

It is a cyclic number.

It is not a de Polignac number, because 211404000605 - 2¹² = 211403996509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104204 + ... + 658533.

It is an arithmetic number, because the mean of its divisors is an integer number (18122654880).

Almost surely, 2^211404000605 is an apocalyptic number.

It is an amenable number.

211404000605 is a deficient number, since it is larger than the sum of its proper divisors (78558477475).

211404000605 is an equidigital number, since it uses as much as digits as its factorization.

211404000605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770668.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 211404000605 its reverse (506000404112), we get a palindrome (717404404717).

The spelling of 211404000605 in words is "two hundred eleven billion, four hundred four million, six hundred five", and thus it is an aban number.