211027453382656 has 91 divisors (see below), whose sum is σ = 429036776163997. Its totient is φ = 103783993466880.

The previous prime is 211027453382623. The next prime is 211027453382677. The reversal of 211027453382656 is 656283354720112.

The square root of 211027453382656 is 14526784.

The cubic root of 211027453382656 is 59536.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 56520564576256 + 154506888806400 = 7518016^2 + 12430080^2 .

It is a super-2 number, since 2×211027453382656² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211027453382597 and 211027453382606.

It is an unprimeable number.

It is a polite number, since it can be written in 6 ways as a sum of consecutive naturals, for example, 3459466448866 + ... + 3459466448926.

Almost surely, 2^{211027453382656} is an apocalyptic number.

211027453382656 is the 14526784-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211027453382656

211027453382656 is an abundant number, since it is smaller than the sum of its proper divisors (218009322781341).

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

211027453382656 is an frugal number, since it uses more digits than its factorization.

211027453382656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 211027453382656 in words is "two hundred eleven trillion, twenty-seven billion, four hundred fifty-three million, three hundred eighty-two thousand, six hundred fifty-six".