505510606481 has 2 divisors, whose sum is σ = 505510606482. Its totient is φ = 505510606480.

The previous prime is 505510606457. The next prime is 505510606547. The reversal of 505510606481 is 184606015505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457630602256 + 47880004225 = 676484^2 + 218815^2 .

It is a cyclic number.

It is not a de Polignac number, because 505510606481 - 2³⁸ = 230632699537 is a prime.

It is a super-2 number, since 2×505510606481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (505510606411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252755303240 + 252755303241.

It is an arithmetic number, because the mean of its divisors is an integer number (252755303241).

Almost surely, 2^505510606481 is an apocalyptic number.

It is an amenable number.

505510606481 is a deficient number, since it is larger than the sum of its proper divisors (1).

505510606481 is an equidigital number, since it uses as much as digits as its factorization.

505510606481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 505510606481 in words is "five hundred five billion, five hundred ten million, six hundred six thousand, four hundred eighty-one".