211563848056 has 32 divisors (see below), whose sum is σ = 432995702400. Its totient is φ = 96109503840.

The previous prime is 211563848039. The next prime is 211563848099. The reversal of 211563848056 is 650848365112.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 546036 + ... + 849283.

It is an arithmetic number, because the mean of its divisors is an integer number (13531115700).

Almost surely, 2^211563848056 is an apocalyptic number.

It is an amenable number.

211563848056 is an abundant number, since it is smaller than the sum of its proper divisors (221431854344).

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

211563848056 is a wasteful number, since it uses less digits than its factorization.

211563848056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397059 (or 1397055 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 211563848056 in words is "two hundred eleven billion, five hundred sixty-three million, eight hundred forty-eight thousand, fifty-six".