520253335107352 has 256 divisors, whose sum is σ = 1307032113945600. Its totient is φ = 187911640350720.

The previous prime is 520253335107329. The next prime is 520253335107421. The reversal of 520253335107352 is 253701533352025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18534787174 + ... + 18534815242.

It is an arithmetic number, because the mean of its divisors is an integer number (5105594195100).

Almost surely, 2^{520253335107352} 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 520253335107352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653516056972800).

520253335107352 is an abundant number, since it is smaller than the sum of its proper divisors (786778778838248).

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

520253335107352 is a wasteful number, since it uses less digits than its factorization.

520253335107352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54594 (or 54590 counting only the distinct ones).

The product of its (nonzero) digits is 2835000, while the sum is 46.

Adding to 520253335107352 its reverse (253701533352025), we get a palindrome (773954868459377).

The spelling of 520253335107352 in words is "five hundred twenty trillion, two hundred fifty-three billion, three hundred thirty-five million, one hundred seven thousand, three hundred fifty-two".