255854249281 has 8 divisors (see below), whose sum is σ = 259196295680. Its totient is φ = 252526578048.

The previous prime is 255854249279. The next prime is 255854249293. The reversal of 255854249281 is 182942458552.

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 255854249281 - 2¹ = 255854249279 is a prime.

It is a super-2 number, since 2×255854249281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255854249081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3557961 + ... + 3629158.

It is an arithmetic number, because the mean of its divisors is an integer number (32399536960).

Almost surely, 2^255854249281 is an apocalyptic number.

It is an amenable number.

255854249281 is a deficient number, since it is larger than the sum of its proper divisors (3342046399).

255854249281 is an equidigital number, since it uses as much as digits as its factorization.

255854249281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7187583.

The product of its digits is 9216000, while the sum is 55.

The spelling of 255854249281 in words is "two hundred fifty-five billion, eight hundred fifty-four million, two hundred forty-nine thousand, two hundred eighty-one".