520959374101 has 2 divisors, whose sum is σ = 520959374102. Its totient is φ = 520959374100.

The previous prime is 520959374081. The next prime is 520959374129. The reversal of 520959374101 is 101473959025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520627187025 + 332187076 = 721545^2 + 18226^2 .

It is a cyclic number.

It is not a de Polignac number, because 520959374101 - 2¹¹ = 520959372053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520959374191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260479687050 + 260479687051.

It is an arithmetic number, because the mean of its divisors is an integer number (260479687051).

Almost surely, 2^520959374101 is an apocalyptic number.

It is an amenable number.

520959374101 is a deficient number, since it is larger than the sum of its proper divisors (1).

520959374101 is an equidigital number, since it uses as much as digits as its factorization.

520959374101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 520959374101 in words is "five hundred twenty billion, nine hundred fifty-nine million, three hundred seventy-four thousand, one hundred one".