505061263601 has 2 divisors, whose sum is σ = 505061263602. Its totient is φ = 505061263600.

The previous prime is 505061263591. The next prime is 505061263633. The reversal of 505061263601 is 106362160505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482448322225 + 22612941376 = 694585^2 + 150376^2 .

It is a cyclic number.

It is not a de Polignac number, because 505061263601 - 2¹⁰ = 505061262577 is a prime.

It is not a weakly prime, because it can be changed into another prime (505061265601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252530631800 + 252530631801.

It is an arithmetic number, because the mean of its divisors is an integer number (252530631801).

Almost surely, 2^505061263601 is an apocalyptic number.

It is an amenable number.

505061263601 is a deficient number, since it is larger than the sum of its proper divisors (1).

505061263601 is an equidigital number, since it uses as much as digits as its factorization.

505061263601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 505061263601 in words is "five hundred five billion, sixty-one million, two hundred sixty-three thousand, six hundred one".