520362106081 has 2 divisors, whose sum is σ = 520362106082. Its totient is φ = 520362106080.

The previous prime is 520362106009. The next prime is 520362106151. The reversal of 520362106081 is 180601263025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460246912225 + 60115193856 = 678415^2 + 245184^2 .

It is a cyclic number.

It is not a de Polignac number, because 520362106081 - 2²⁵ = 520328551649 is a prime.

It is a super-2 number, since 2×520362106081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (520362106001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260181053040 + 260181053041.

It is an arithmetic number, because the mean of its divisors is an integer number (260181053041).

Almost surely, 2^520362106081 is an apocalyptic number.

It is an amenable number.

520362106081 is a deficient number, since it is larger than the sum of its proper divisors (1).

520362106081 is an equidigital number, since it uses as much as digits as its factorization.

520362106081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 520362106081 in words is "five hundred twenty billion, three hundred sixty-two million, one hundred six thousand, eighty-one".