211071522716 has 6 divisors (see below), whose sum is σ = 369375164760. Its totient is φ = 105535761356.

The previous prime is 211071522689. The next prime is 211071522743. The reversal of 211071522716 is 617225170112.

It is an interprime number because it is at equal distance from previous prime (211071522689) and next prime (211071522743).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26383940336 + ... + 26383940343.

It is an arithmetic number, because the mean of its divisors is an integer number (61562527460).

Almost surely, 2^211071522716 is an apocalyptic number.

It is an amenable number.

211071522716 is a deficient number, since it is larger than the sum of its proper divisors (158303642044).

211071522716 is a wasteful number, since it uses less digits than its factorization.

211071522716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52767880683 (or 52767880681 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 35.

Adding to 211071522716 its reverse (617225170112), we get a palindrome (828296692828).

The spelling of 211071522716 in words is "two hundred eleven billion, seventy-one million, five hundred twenty-two thousand, seven hundred sixteen".