520146352111 has 2 divisors, whose sum is σ = 520146352112. Its totient is φ = 520146352110.

The previous prime is 520146352109. The next prime is 520146352123. The reversal of 520146352111 is 111253641025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520146352111 - 2¹ = 520146352109 is a prime.

It is a super-2 number, since 2×520146352111² (a number of 24 digits) contains 22 as substring.

Together with 520146352109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520146352151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260073176055 + 260073176056.

It is an arithmetic number, because the mean of its divisors is an integer number (260073176056).

Almost surely, 2^520146352111 is an apocalyptic number.

520146352111 is a deficient number, since it is larger than the sum of its proper divisors (1).

520146352111 is an equidigital number, since it uses as much as digits as its factorization.

520146352111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 520146352111 its reverse (111253641025), we get a palindrome (631399993136).

The spelling of 520146352111 in words is "five hundred twenty billion, one hundred forty-six million, three hundred fifty-two thousand, one hundred eleven".