501055510507 has 2 divisors, whose sum is σ = 501055510508. Its totient is φ = 501055510506.

The previous prime is 501055510477. The next prime is 501055510591. The reversal of 501055510507 is 705015550105.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501055510507 - 2⁷ = 501055510379 is a prime.

It is not a weakly prime, because it can be changed into another prime (501055510607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250527755253 + 250527755254.

It is an arithmetic number, because the mean of its divisors is an integer number (250527755254).

Almost surely, 2^501055510507 is an apocalyptic number.

501055510507 is a deficient number, since it is larger than the sum of its proper divisors (1).

501055510507 is an equidigital number, since it uses as much as digits as its factorization.

501055510507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21875, while the sum is 34.

The spelling of 501055510507 in words is "five hundred one billion, fifty-five million, five hundred ten thousand, five hundred seven".