5271919385000 has 160 divisors (see below), whose sum is σ = 13129645949640. Its totient is φ = 1976991744000.

The previous prime is 5271919384961. The next prime is 5271919385053. The reversal of 5271919385000 is 5839191725.

It can be written as a sum of positive squares in 20 ways, for example, as 121897343044 + 5150022041956 = 349138^2 + 2269366^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 5271919385000.

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 39 ways as a sum of consecutive naturals, for example, 21724334 + ... + 21965666.

Almost surely, 2^{5271919385000} is an apocalyptic number.

5271919385000 is a gapful number since it is divisible by the number (50) 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 5271919385000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6564822974820).

5271919385000 is an abundant number, since it is smaller than the sum of its proper divisors (7857726564640).

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

5271919385000 is a wasteful number, since it uses less digits than its factorization.

5271919385000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241633 (or 241614 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 5271919385000 in words is "five trillion, two hundred seventy-one billion, nine hundred nineteen million, three hundred eighty-five thousand".