2171255255 has 8 divisors (see below), whose sum is σ = 2805929952. Its totient is φ = 1603388448.

The previous prime is 2171255243. The next prime is 2171255291. The reversal of 2171255255 is 5525521712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2171255255 - 2²⁰ = 2170206679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16701899 + ... + 16702028.

It is an arithmetic number, because the mean of its divisors is an integer number (350741244).

Almost surely, 2^2171255255 is an apocalyptic number.

2171255255 is a deficient number, since it is larger than the sum of its proper divisors (634674697).

2171255255 is a wasteful number, since it uses less digits than its factorization.

2171255255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33403945.

The product of its digits is 35000, while the sum is 35.

The square root of 2171255255 is about 46596.7300891382. The cubic root of 2171255255 is about 1294.9021765376.

Adding to 2171255255 its reverse (5525521712), we get a palindrome (7696776967).

It can be divided in two parts, 21712 and 55255, that added together give a palindrome (76967).

The spelling of 2171255255 in words is "two billion, one hundred seventy-one million, two hundred fifty-five thousand, two hundred fifty-five".