211423066403255 has 64 divisors (see below), whose sum is σ = 295562742773760. Its totient is φ = 142182226368000.

The previous prime is 211423066403203. The next prime is 211423066403279. The reversal of 211423066403255 is 552304660324112.

It is not a de Polignac number, because 211423066403255 - 2⁶ = 211423066403191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1695160157 + ... + 1695284873.

It is an arithmetic number, because the mean of its divisors is an integer number (4618167855840).

Almost surely, 2^{211423066403255} is an apocalyptic number.

211423066403255 is a deficient number, since it is larger than the sum of its proper divisors (84139676370505).

211423066403255 is a wasteful number, since it uses less digits than its factorization.

211423066403255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126720.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 211423066403255 in words is "two hundred eleven trillion, four hundred twenty-three billion, sixty-six million, four hundred three thousand, two hundred fifty-five".