505910509103 has 2 divisors, whose sum is σ = 505910509104. Its totient is φ = 505910509102.

The previous prime is 505910509099. The next prime is 505910509129. The reversal of 505910509103 is 301905019505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505910509103 - 2² = 505910509099 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505910509163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252955254551 + 252955254552.

It is an arithmetic number, because the mean of its divisors is an integer number (252955254552).

Almost surely, 2^505910509103 is an apocalyptic number.

505910509103 is a deficient number, since it is larger than the sum of its proper divisors (1).

505910509103 is an equidigital number, since it uses as much as digits as its factorization.

505910509103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30375, while the sum is 38.

The spelling of 505910509103 in words is "five hundred five billion, nine hundred ten million, five hundred nine thousand, one hundred three".