211523046688 has 12 divisors (see below), whose sum is σ = 416435998230. Its totient is φ = 105761523328.

The previous prime is 211523046667. The next prime is 211523046743. The reversal of 211523046688 is 886640325112.

It can be written as a sum of positive squares in only one way, i.e., 169108467984 + 42414578704 = 411228^2 + 205948^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305047573 + ... + 3305047636.

Almost surely, 2^211523046688 is an apocalyptic number.

It is an amenable number.

211523046688 is a deficient number, since it is larger than the sum of its proper divisors (204912951542).

211523046688 is an equidigital number, since it uses as much as digits as its factorization.

211523046688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610095219 (or 6610095211 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 211523046688 in words is "two hundred eleven billion, five hundred twenty-three million, forty-six thousand, six hundred eighty-eight".