520542111140432 has 80 divisors (see below), whose sum is σ = 1027509258115200. Its totient is φ = 255394549186560.

The previous prime is 520542111140383. The next prime is 520542111140449. The reversal of 520542111140432 is 234041111245025.

It is a super-3 number, since 3×520542111140432³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520542111140392 and 520542111140401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7778655869 + ... + 7778722787.

It is an arithmetic number, because the mean of its divisors is an integer number (12843865726440).

Almost surely, 2^{520542111140432} is an apocalyptic number.

It is an amenable number.

520542111140432 is a deficient number, since it is larger than the sum of its proper divisors (506967146974768).

520542111140432 is a wasteful number, since it uses less digits than its factorization.

520542111140432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81844 (or 81838 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 520542111140432 its reverse (234041111245025), we get a palindrome (754583222385457).

The spelling of 520542111140432 in words is "five hundred twenty trillion, five hundred forty-two billion, one hundred eleven million, one hundred forty thousand, four hundred thirty-two".