851282380158 has 32 divisors (see below), whose sum is σ = 1946311856640. Its totient is φ = 243158092320.

The previous prime is 851282380127. The next prime is 851282380199. The reversal of 851282380158 is 851083282158.

It is a self number, because there is not a number n which added to its sum of digits gives 851282380158.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2568813 + ... + 2881208.

It is an arithmetic number, because the mean of its divisors is an integer number (60822245520).

Almost surely, 2^851282380158 is an apocalyptic number.

851282380158 is an abundant number, since it is smaller than the sum of its proper divisors (1095029476482).

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

851282380158 is a wasteful number, since it uses less digits than its factorization.

851282380158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453752.

The product of its (nonzero) digits is 1228800, while the sum is 51.

The spelling of 851282380158 in words is "eight hundred fifty-one billion, two hundred eighty-two million, three hundred eighty thousand, one hundred fifty-eight".