211534082655 has 24 divisors (see below), whose sum is σ = 393712416432. Its totient is φ = 96701294592.

The previous prime is 211534082651. The next prime is 211534082707. The reversal of 211534082655 is 556280435112.

211534082655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211534082655 - 2² = 211534082651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211534082651) by changing a digit.

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, 143900002 + ... + 143901471.

It is an arithmetic number, because the mean of its divisors is an integer number (16404684018).

Almost surely, 2^211534082655 is an apocalyptic number.

211534082655 is a deficient number, since it is larger than the sum of its proper divisors (182178333777).

211534082655 is a wasteful number, since it uses less digits than its factorization.

211534082655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287801495 (or 287801488 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 211534082655 in words is "two hundred eleven billion, five hundred thirty-four million, eighty-two thousand, six hundred fifty-five".