520634660027051 has 2 divisors, whose sum is σ = 520634660027052. Its totient is φ = 520634660027050.

The previous prime is 520634660027023. The next prime is 520634660027059. The reversal of 520634660027051 is 150720066436025.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520634660027051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520634660026987 and 520634660027005.

It is not a weakly prime, because it can be changed into another prime (520634660027059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260317330013525 + 260317330013526.

It is an arithmetic number, because the mean of its divisors is an integer number (260317330013526).

Almost surely, 2^{520634660027051} is an apocalyptic number.

520634660027051 is a deficient number, since it is larger than the sum of its proper divisors (1).

520634660027051 is an equidigital number, since it uses as much as digits as its factorization.

520634660027051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 520634660027051 in words is "five hundred twenty trillion, six hundred thirty-four billion, six hundred sixty million, twenty-seven thousand, fifty-one".