505545046511 has 2 divisors, whose sum is σ = 505545046512. Its totient is φ = 505545046510.

The previous prime is 505545046507. The next prime is 505545046529. The reversal of 505545046511 is 115640545505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505545046511 - 2² = 505545046507 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505545046211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252772523255 + 252772523256.

It is an arithmetic number, because the mean of its divisors is an integer number (252772523256).

Almost surely, 2^505545046511 is an apocalyptic number.

505545046511 is a deficient number, since it is larger than the sum of its proper divisors (1).

505545046511 is an equidigital number, since it uses as much as digits as its factorization.

505545046511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 505545046511 in words is "five hundred five billion, five hundred forty-five million, forty-six thousand, five hundred eleven".