520051541200 has 120 divisors (see below), whose sum is σ = 1259190612000. Its totient is φ = 206397626880.

The previous prime is 520051541197. The next prime is 520051541201. The reversal of 520051541200 is 2145150025.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520051541201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60728119 + ... + 60736681.

It is an arithmetic number, because the mean of its divisors is an integer number (10493255100).

Almost surely, 2^520051541200 is an apocalyptic number.

520051541200 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 520051541200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629595306000).

520051541200 is an abundant number, since it is smaller than the sum of its proper divisors (739139070800).

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

520051541200 is a wasteful number, since it uses less digits than its factorization.

520051541200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9749 (or 9738 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 520051541200 its reverse (2145150025), we get a palindrome (522196691225).

The spelling of 520051541200 in words is "five hundred twenty billion, fifty-one million, five hundred forty-one thousand, two hundred".