505555611059 has 2 divisors, whose sum is σ = 505555611060. Its totient is φ = 505555611058.

The previous prime is 505555610977. The next prime is 505555611079. The reversal of 505555611059 is 950116555505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505555611059 - 2³⁶ = 436836134323 is a prime.

It is not a weakly prime, because it can be changed into another prime (505555611079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252777805529 + 252777805530.

It is an arithmetic number, because the mean of its divisors is an integer number (252777805530).

Almost surely, 2^505555611059 is an apocalyptic number.

505555611059 is a deficient number, since it is larger than the sum of its proper divisors (1).

505555611059 is an equidigital number, since it uses as much as digits as its factorization.

505555611059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 843750, while the sum is 47.

The spelling of 505555611059 in words is "five hundred five billion, five hundred fifty-five million, six hundred eleven thousand, fifty-nine".