5281074881280 has 648 divisors, whose sum is σ = 20837656856016. Its totient is φ = 1224581529600.

The previous prime is 5281074881273. The next prime is 5281074881287. The reversal of 5281074881280 is 821884701825.

It is a happy number.

5281074881280 is a `hidden beast` number, since 5 + 2 + 81 + 0 + 7 + 488 + 1 + 2 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (5281074881273) and next prime (5281074881287).

It is not an unprimeable number, because it can be changed into a prime (5281074881287) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66995490 + ... + 67074270.

Almost surely, 2^{5281074881280} 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 5281074881280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10418828428008).

5281074881280 is an abundant number, since it is smaller than the sum of its proper divisors (15556581974736).

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

5281074881280 is a wasteful number, since it uses less digits than its factorization.

5281074881280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78865 (or 78825 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 54.

The spelling of 5281074881280 in words is "five trillion, two hundred eighty-one billion, seventy-four million, eight hundred eighty-one thousand, two hundred eighty".