728442728511112 has 64 divisors (see below), whose sum is σ = 1436263944192000. Its totient is φ = 345685194803520.

The previous prime is 728442728511097. The next prime is 728442728511193. The reversal of 728442728511112 is 211115827244827.

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, 201817639 + ... + 205395337.

It is an arithmetic number, because the mean of its divisors is an integer number (22441624128000).

Almost surely, 2^{728442728511112} is an apocalyptic number.

It is an amenable number.

728442728511112 is a deficient number, since it is larger than the sum of its proper divisors (707821215680888).

728442728511112 is a wasteful number, since it uses less digits than its factorization.

728442728511112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586306 (or 3586302 counting only the distinct ones).

The product of its digits is 4014080, while the sum is 55.

The spelling of 728442728511112 in words is "seven hundred twenty-eight trillion, four hundred forty-two billion, seven hundred twenty-eight million, five hundred eleven thousand, one hundred twelve".