211333044005 has 12 divisors (see below), whose sum is σ = 262646019012. Its totient is φ = 163236554880.

The previous prime is 211333043927. The next prime is 211333044007. The reversal of 211333044005 is 500440333112.

211333044005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 16151105569 + 195181938436 = 127087^2 + 441794^2 .

It is not a de Polignac number, because 211333044005 - 2⁸ = 211333043749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211333044007) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 25124576 + ... + 25132985.

It is an arithmetic number, because the mean of its divisors is an integer number (21887168251).

Almost surely, 2^211333044005 is an apocalyptic number.

It is an amenable number.

211333044005 is a deficient number, since it is larger than the sum of its proper divisors (51312975007).

211333044005 is an equidigital number, since it uses as much as digits as its factorization.

211333044005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50257624 (or 50257595 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 211333044005 its reverse (500440333112), we get a palindrome (711773377117).

The spelling of 211333044005 in words is "two hundred eleven billion, three hundred thirty-three million, forty-four thousand, five".