211150705072 has 20 divisors (see below), whose sum is σ = 411224209480. Its totient is φ = 105028328448.

The previous prime is 211150705069. The next prime is 211150705099. The reversal of 211150705072 is 270507051112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34185822 + ... + 34191997.

It is an arithmetic number, because the mean of its divisors is an integer number (20561210474).

Almost surely, 2^211150705072 is an apocalyptic number.

It is an amenable number.

211150705072 is a deficient number, since it is larger than the sum of its proper divisors (200073504408).

211150705072 is a wasteful number, since it uses less digits than its factorization.

211150705072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68378020 (or 68378014 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 31.

Adding to 211150705072 its reverse (270507051112), we get a palindrome (481657756184).

The spelling of 211150705072 in words is "two hundred eleven billion, one hundred fifty million, seven hundred five thousand, seventy-two".