520881794071 has 2 divisors, whose sum is σ = 520881794072. Its totient is φ = 520881794070.

The previous prime is 520881794009. The next prime is 520881794101. The reversal of 520881794071 is 170497188025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520881794071 - 2¹¹ = 520881792023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520881794971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260440897035 + 260440897036.

It is an arithmetic number, because the mean of its divisors is an integer number (260440897036).

Almost surely, 2^520881794071 is an apocalyptic number.

520881794071 is a deficient number, since it is larger than the sum of its proper divisors (1).

520881794071 is an equidigital number, since it uses as much as digits as its factorization.

520881794071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 520881794071 in words is "five hundred twenty billion, eight hundred eighty-one million, seven hundred ninety-four thousand, seventy-one".