211057006 has 16 divisors (see below), whose sum is σ = 335643264. Its totient is φ = 99192064.

The previous prime is 211057001. The next prime is 211057009. The reversal of 211057006 is 600750112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211057001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25746 + ... + 32938.

It is an arithmetic number, because the mean of its divisors is an integer number (20977704).

Almost surely, 2^211057006 is an apocalyptic number.

211057006 is a deficient number, since it is larger than the sum of its proper divisors (124586258).

211057006 is a wasteful number, since it uses less digits than its factorization.

211057006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 211057006 is about 14527.8011412602. The cubic root of 211057006 is about 595.3877904205.

The spelling of 211057006 in words is "two hundred eleven million, fifty-seven thousand, six".