520411479375841 has 9 divisors (see below), whose sum is σ = 520675531400313. Its totient is φ = 520147561227840.

The previous prime is 520411479375829. The next prime is 520411479375919. The reversal of 520411479375841 is 148573974114025.

The square root of 520411479375841 is 22812529.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 77241616815841 + 443169862560000 = 8788721^2 + 21051600^2 .

It is not a de Polignac number, because 520411479375841 - 2⁹ = 520411479375329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520411479375841.

It is not an unprimeable number, because it can be changed into a prime (520411479355841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 57510381085 + ... + 57510390133.

It is an arithmetic number, because the mean of its divisors is an integer number (57852836822257).

Almost surely, 2^{520411479375841} is an apocalyptic number.

520411479375841 is the 22812529-th square number.

520411479375841 is the 11406265-th centered octagonal number.

It is an amenable number.

520411479375841 is a deficient number, since it is larger than the sum of its proper divisors (264052024472).

520411479375841 is an frugal number, since it uses more digits than its factorization.

520411479375841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23140 (or 11570 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 61.

The spelling of 520411479375841 in words is "five hundred twenty trillion, four hundred eleven billion, four hundred seventy-nine million, three hundred seventy-five thousand, eight hundred forty-one".