211255432334 has 16 divisors (see below), whose sum is σ = 318695731200. Its totient is φ = 105023678904.

The previous prime is 211255432319. The next prime is 211255432337. The reversal of 211255432334 is 433234552112.

211255432334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211255432294 and 211255432303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211255432337) 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 7 ways as a sum of consecutive naturals, for example, 2989097 + ... + 3058955.

It is an arithmetic number, because the mean of its divisors is an integer number (19918483200).

Almost surely, 2^211255432334 is an apocalyptic number.

211255432334 is a deficient number, since it is larger than the sum of its proper divisors (107440298866).

211255432334 is a wasteful number, since it uses less digits than its factorization.

211255432334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78487.

The product of its digits is 86400, while the sum is 35.

Adding to 211255432334 its reverse (433234552112), we get a palindrome (644489984446).

The spelling of 211255432334 in words is "two hundred eleven billion, two hundred fifty-five million, four hundred thirty-two thousand, three hundred thirty-four".