520111411200 has 624 divisors, whose sum is σ = 2011460593600. Its totient is φ = 131383296000.

The previous prime is 520111411189. The next prime is 520111411201. The reversal of 520111411200 is 2114111025.

520111411200 is a `hidden beast` number, since 52 + 0 + 1 + 1 + 1 + 411 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520111411201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52526250 + ... + 52536150.

Almost surely, 2^520111411200 is an apocalyptic number.

520111411200 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 520111411200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005730296800).

520111411200 is an abundant number, since it is smaller than the sum of its proper divisors (1491349182400).

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

520111411200 is a wasteful number, since it uses less digits than its factorization.

520111411200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963 (or 9930 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 520111411200 its reverse (2114111025), we get a palindrome (522225522225).

The spelling of 520111411200 in words is "five hundred twenty billion, one hundred eleven million, four hundred eleven thousand, two hundred".