851160641280 has 144 divisors (see below), whose sum is σ = 2806084829184. Its totient is φ = 219654328320.

The previous prime is 851160641267. The next prime is 851160641297. The reversal of 851160641280 is 82146061158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3456064 + ... + 3694143.

Almost surely, 2^851160641280 is an apocalyptic number.

851160641280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

851160641280 is an abundant number, since it is smaller than the sum of its proper divisors (1954924187904).

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

851160641280 is a wasteful number, since it uses less digits than its factorization.

851160641280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150262 (or 7150248 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 851160641280 in words is "eight hundred fifty-one billion, one hundred sixty million, six hundred forty-one thousand, two hundred eighty".