211015297872 has 120 divisors (see below), whose sum is σ = 592272502848. Its totient is φ = 70133606400.

The previous prime is 211015297861. The next prime is 211015297937. The reversal of 211015297872 is 278792510112.

211015297872 is a `hidden beast` number, since 2 + 110 + 1 + 529 + 7 + 8 + 7 + 2 = 666.

211015297872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 101399872 + ... + 101401952.

Almost surely, 2^211015297872 is an apocalyptic number.

It is an amenable number.

211015297872 is an abundant number, since it is smaller than the sum of its proper divisors (381257204976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211015297872 is a wasteful number, since it uses less digits than its factorization.

211015297872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809 (or 3800 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 211015297872 in words is "two hundred eleven billion, fifteen million, two hundred ninety-seven thousand, eight hundred seventy-two".