255862418481 has 12 divisors (see below), whose sum is σ = 371933057652. Its totient is φ = 169488480096.

The previous prime is 255862418477. The next prime is 255862418491. The reversal of 255862418481 is 184814268552.

It is a happy number.

255862418481 is a `hidden beast` number, since 2 + 5 + 5 + 8 + 624 + 1 + 8 + 4 + 8 + 1 = 666.

255862418481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59418450081 + 196443968400 = 243759^2 + 443220^2 .

It is not a de Polignac number, because 255862418481 - 2² = 255862418477 is a prime.

It is a super-2 number, since 2×255862418481² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (255862418491) 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 11 ways as a sum of consecutive naturals, for example, 90537306 + ... + 90540131.

It is an arithmetic number, because the mean of its divisors is an integer number (30994421471).

Almost surely, 2^255862418481 is an apocalyptic number.

It is an amenable number.

255862418481 is a deficient number, since it is larger than the sum of its proper divisors (116070639171).

255862418481 is a wasteful number, since it uses less digits than its factorization.

255862418481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181077600 (or 181077597 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 54.

It can be divided in two parts, 25586241848 and 1, that added together give a square (25586241849 = 159957²).

The spelling of 255862418481 in words is "two hundred fifty-five billion, eight hundred sixty-two million, four hundred eighteen thousand, four hundred eighty-one".