255488547285 has 12 divisors (see below), whose sum is σ = 442846815372. Its totient is φ = 136260558528.

The previous prime is 255488547211. The next prime is 255488547287. The reversal of 255488547285 is 582745884552.

255488547285 is a `hidden beast` number, since 2 + 5 + 5 + 4 + 8 + 8 + 547 + 2 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 142636894929 + 112851652356 = 377673^2 + 335934^2 .

It is not a de Polignac number, because 255488547285 - 2¹⁷ = 255488416213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255488547287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2838761592 + ... + 2838761681.

It is an arithmetic number, because the mean of its divisors is an integer number (36903901281).

Almost surely, 2^255488547285 is an apocalyptic number.

It is an amenable number.

255488547285 is a deficient number, since it is larger than the sum of its proper divisors (187358268087).

255488547285 is a wasteful number, since it uses less digits than its factorization.

255488547285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677523284 (or 5677523281 counting only the distinct ones).

The product of its digits is 143360000, while the sum is 63.

The spelling of 255488547285 in words is "two hundred fifty-five billion, four hundred eighty-eight million, five hundred forty-seven thousand, two hundred eighty-five".