255428825085 has 180 divisors, whose sum is σ = 565822955412. Its totient is φ = 109896321024.

The previous prime is 255428825059. The next prime is 255428825101. The reversal of 255428825085 is 580528824552.

It is a happy number.

255428825085 is a `hidden beast` number, since 2 + 5 + 54 + 2 + 8 + 82 + 508 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 81016513956 + 174412311129 = 284634^2 + 417627^2 .

It is not a de Polignac number, because 255428825085 - 2⁵ = 255428825053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 5712937 + ... + 5757473.

Almost surely, 2^255428825085 is an apocalyptic number.

It is an amenable number.

255428825085 is an abundant number, since it is smaller than the sum of its proper divisors (310394130327).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255428825085 is a wasteful number, since it uses less digits than its factorization.

255428825085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44602 (or 44569 counting only the distinct ones).

The product of its (nonzero) digits is 10240000, while the sum is 54.

The spelling of 255428825085 in words is "two hundred fifty-five billion, four hundred twenty-eight million, eight hundred twenty-five thousand, eighty-five".