5320805072856 has 256 divisors, whose sum is σ = 16425615360000. Its totient is φ = 1398675589632.

The previous prime is 5320805072831. The next prime is 5320805072879. The reversal of 5320805072856 is 6582705080235.

It is a junction number, because it is equal to n+sod(n) for n = 5320805072799 and 5320805072808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1226272335 + ... + 1226276673.

It is an arithmetic number, because the mean of its divisors is an integer number (64162560000).

Almost surely, 2^{5320805072856} is an apocalyptic number.

5320805072856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5320805072856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8212807680000).

5320805072856 is an abundant number, since it is smaller than the sum of its proper divisors (11104810287144).

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

5320805072856 is a wasteful number, since it uses less digits than its factorization.

5320805072856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086 (or 6082 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 5320805072856 in words is "five trillion, three hundred twenty billion, eight hundred five million, seventy-two thousand, eight hundred fifty-six".