285675218345255 has 32 divisors (see below), whose sum is σ = 376692607779840. Its totient is φ = 207015446373120.

The previous prime is 285675218345249. The next prime is 285675218345261. The reversal of 285675218345255 is 552543812576582.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (285675218345249) and next prime (285675218345261).

It is not a de Polignac number, because 285675218345255 - 2²² = 285675214150951 is a prime.

It is a super-2 number, since 2×285675218345255² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20648366 + ... + 31586475.

It is an arithmetic number, because the mean of its divisors is an integer number (11771643993120).

Almost surely, 2^{285675218345255} is an apocalyptic number.

285675218345255 is a deficient number, since it is larger than the sum of its proper divisors (91017389434585).

285675218345255 is a wasteful number, since it uses less digits than its factorization.

285675218345255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52237391.

The product of its digits is 806400000, while the sum is 68.

The spelling of 285675218345255 in words is "two hundred eighty-five trillion, six hundred seventy-five billion, two hundred eighteen million, three hundred forty-five thousand, two hundred fifty-five".