525377267833728 has 256 divisors, whose sum is σ = 1450518618009600. Its totient is φ = 168304490496000.

The previous prime is 525377267833723. The next prime is 525377267833739. The reversal of 525377267833728 is 827338762773525.

It is a self number, because there is not a number n which added to its sum of digits gives 525377267833728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525377267833723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6350540268 + ... + 6350622996.

It is an arithmetic number, because the mean of its divisors is an integer number (5666088351600).

Almost surely, 2^{525377267833728} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525377267833728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725259309004800).

525377267833728 is an abundant number, since it is smaller than the sum of its proper divisors (925141350175872).

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

525377267833728 is a wasteful number, since it uses less digits than its factorization.

525377267833728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86461 (or 86449 counting only the distinct ones).

The product of its digits is 4978713600, while the sum is 75.

The spelling of 525377267833728 in words is "five hundred twenty-five trillion, three hundred seventy-seven billion, two hundred sixty-seven million, eight hundred thirty-three thousand, seven hundred twenty-eight".