51271143360 has 112 divisors (see below), whose sum is σ = 162916672896. Its totient is φ = 13661320192.

The previous prime is 51271143359. The next prime is 51271143397. The reversal of 51271143360 is 6334117215.

It is a super-3 number, since 3×51271143360³ (a number of 33 digits) contains 333 as substring.

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, 1210867 + ... + 1252493.

Almost surely, 2^51271143360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51271143360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81458336448).

51271143360 is an abundant number, since it is smaller than the sum of its proper divisors (111645529536).

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

51271143360 is a wasteful number, since it uses less digits than its factorization.

51271143360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42930 (or 42920 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 51271143360 in words is "fifty-one billion, two hundred seventy-one million, one hundred forty-three thousand, three hundred sixty".