255387518101882 has 4 divisors (see below), whose sum is σ = 383081277152826. Its totient is φ = 127693759050940.

The previous prime is 255387518101873. The next prime is 255387518101883. The reversal of 255387518101882 is 288101815783552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 249943420540801 + 5444097561081 = 15809599^2 + 2333259^2 .

It is not an unprimeable number, because it can be changed into a prime (255387518101883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63846879525469 + ... + 63846879525472.

Almost surely, 2^{255387518101882} is an apocalyptic number.

255387518101882 is a deficient number, since it is larger than the sum of its proper divisors (127693759050944).

255387518101882 is a wasteful number, since it uses less digits than its factorization.

255387518101882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127693759050943.

The product of its (nonzero) digits is 43008000, while the sum is 64.

The spelling of 255387518101882 in words is "two hundred fifty-five trillion, three hundred eighty-seven billion, five hundred eighteen million, one hundred one thousand, eight hundred eighty-two".