5281181355860 has 12 divisors (see below), whose sum is σ = 11090480847348. Its totient is φ = 2112472542336.

The previous prime is 5281181355841. The next prime is 5281181355943. The reversal of 5281181355860 is 685531811825.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1398760366864 + 3882420988996 = 1182692^2 + 1970386^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132029533877 + ... + 132029533916.

It is an arithmetic number, because the mean of its divisors is an integer number (924206737279).

Almost surely, 2^{5281181355860} is an apocalyptic number.

It is an amenable number.

5281181355860 is an abundant number, since it is smaller than the sum of its proper divisors (5809299491488).

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

5281181355860 is a wasteful number, since it uses less digits than its factorization.

5281181355860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264059067802 (or 264059067800 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 53.

The spelling of 5281181355860 in words is "five trillion, two hundred eighty-one billion, one hundred eighty-one million, three hundred fifty-five thousand, eight hundred sixty".