5172203395728 has 120 divisors (see below), whose sum is σ = 14991981076800. Its totient is φ = 1662632009472.

The previous prime is 5172203395717. The next prime is 5172203395763. The reversal of 5172203395728 is 8275933022715.

5172203395728 is a `hidden beast` number, since 5 + 1 + 7 + 220 + 3 + 395 + 7 + 28 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2765551 + ... + 4241777.

It is an arithmetic number, because the mean of its divisors is an integer number (124933175640).

Almost surely, 2^{5172203395728} is an apocalyptic number.

5172203395728 is a gapful number since it is divisible by the number (58) 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 5172203395728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7495990538400).

5172203395728 is an abundant number, since it is smaller than the sum of its proper divisors (9819777681072).

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

5172203395728 is a wasteful number, since it uses less digits than its factorization.

5172203395728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477109 (or 1477100 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 5172203395728 in words is "five trillion, one hundred seventy-two billion, two hundred three million, three hundred ninety-five thousand, seven hundred twenty-eight".