51128017085588 has 48 divisors (see below), whose sum is σ = 90895005432000. Its totient is φ = 25161290972928.

The previous prime is 51128017085581. The next prime is 51128017085657. The reversal of 51128017085588 is 88558071082115.

It is a super-2 number, since 2×51128017085588² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51128017085581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140461808 + ... + 140825336.

It is an arithmetic number, because the mean of its divisors is an integer number (1893645946500).

Almost surely, 2^{51128017085588} is an apocalyptic number.

It is an amenable number.

51128017085588 is a deficient number, since it is larger than the sum of its proper divisors (39766988346412).

51128017085588 is a wasteful number, since it uses less digits than its factorization.

51128017085588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365784 (or 365782 counting only the distinct ones).

The product of its (nonzero) digits is 7168000, while the sum is 59.

The spelling of 51128017085588 in words is "fifty-one trillion, one hundred twenty-eight billion, seventeen million, eighty-five thousand, five hundred eighty-eight".