211475215150772 has 6 divisors (see below), whose sum is σ = 370081626513858. Its totient is φ = 105737607575384.

The previous prime is 211475215150753. The next prime is 211475215150781. The reversal of 211475215150772 is 277051512574112.

211475215150772 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 only one way, i.e., 178210858990096 + 33264356160676 = 13349564^2 + 5767526^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211475215150772.

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, 26434401893843 + ... + 26434401893850.

It is an arithmetic number, because the mean of its divisors is an integer number (61680271085643).

Almost surely, 2^{211475215150772} is an apocalyptic number.

It is an amenable number.

211475215150772 is a deficient number, since it is larger than the sum of its proper divisors (158606411363086).

211475215150772 is a wasteful number, since it uses less digits than its factorization.

211475215150772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52868803787697 (or 52868803787695 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 50.

The spelling of 211475215150772 in words is "two hundred eleven trillion, four hundred seventy-five billion, two hundred fifteen million, one hundred fifty thousand, seven hundred seventy-two".