255643112 has 32 divisors (see below), whose sum is σ = 499941120. Its totient is φ = 122411520.

The previous prime is 255643111. The next prime is 255643121. The reversal of 255643112 is 211346552.

It is not an unprimeable number, because it can be changed into a prime (255643111) by changing a digit.

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, 18743 + ... + 29369.

It is an arithmetic number, because the mean of its divisors is an integer number (15623160).

Almost surely, 2^255643112 is an apocalyptic number.

It is an amenable number.

255643112 is a deficient number, since it is larger than the sum of its proper divisors (244298008).

255643112 is a wasteful number, since it uses less digits than its factorization.

255643112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10761 (or 10757 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 255643112 is about 15988.8433602935. The cubic root of 255643112 is about 634.6652187803.

Adding to 255643112 its reverse (211346552), we get a palindrome (466989664).

The spelling of 255643112 in words is "two hundred fifty-five million, six hundred forty-three thousand, one hundred twelve".