255132317636 has 12 divisors (see below), whose sum is σ = 510264635328. Its totient is φ = 109342421832.

The previous prime is 255132317621. The next prime is 255132317669. The reversal of 255132317636 is 636713231552.

It is a happy number.

255132317636 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4555934216 + ... + 4555934271.

It is an arithmetic number, because the mean of its divisors is an integer number (42522052944).

Almost surely, 2^255132317636 is an apocalyptic number.

It is an amenable number.

255132317636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255132317636 is a wasteful number, since it uses less digits than its factorization.

255132317636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111868498 (or 9111868496 counting only the distinct ones).

The product of its digits is 680400, while the sum is 44.

The spelling of 255132317636 in words is "two hundred fifty-five billion, one hundred thirty-two million, three hundred seventeen thousand, six hundred thirty-six".