255671511 has 8 divisors (see below), whose sum is σ = 352650480. Its totient is φ = 164570112.

The previous prime is 255671459. The next prime is 255671597. The reversal of 255671511 is 115176552.

It is a happy number.

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

It is not a de Polignac number, because 255671511 - 2¹⁵ = 255638743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255671111) 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, 1469290 + ... + 1469463.

It is an arithmetic number, because the mean of its divisors is an integer number (44081310).

Almost surely, 2^255671511 is an apocalyptic number.

255671511 is a deficient number, since it is larger than the sum of its proper divisors (96978969).

255671511 is a wasteful number, since it uses less digits than its factorization.

255671511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938785.

The product of its digits is 10500, while the sum is 33.

The square root of 255671511 is about 15989.7314236356. The cubic root of 255671511 is about 634.6887192377.

The spelling of 255671511 in words is "two hundred fifty-five million, six hundred seventy-one thousand, five hundred eleven".