211488255 has 24 divisors (see below), whose sum is σ = 399906000. Its totient is φ = 102539520.

The previous prime is 211488253. The next prime is 211488269. The reversal of 211488255 is 552884112.

It is not a de Polignac number, because 211488255 - 2¹ = 211488253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211488253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213130 + ... + 214119.

It is an arithmetic number, because the mean of its divisors is an integer number (16662750).

Almost surely, 2^211488255 is an apocalyptic number.

211488255 is a deficient number, since it is larger than the sum of its proper divisors (188417745).

211488255 is a wasteful number, since it uses less digits than its factorization.

211488255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427271 (or 427268 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 211488255 is about 14542.6357652250. The cubic root of 211488255 is about 595.7930296090.

It can be divided in two parts, 21148 and 8255, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 211488255 in words is "two hundred eleven million, four hundred eighty-eight thousand, two hundred fifty-five".