505212043559 has 2 divisors, whose sum is σ = 505212043560. Its totient is φ = 505212043558.

The previous prime is 505212043499. The next prime is 505212043663. The reversal of 505212043559 is 955340212505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505212043559 - 2²⁰ = 505210994983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505212043159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252606021779 + 252606021780.

It is an arithmetic number, because the mean of its divisors is an integer number (252606021780).

Almost surely, 2^505212043559 is an apocalyptic number.

505212043559 is a deficient number, since it is larger than the sum of its proper divisors (1).

505212043559 is an equidigital number, since it uses as much as digits as its factorization.

505212043559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 505212043559 in words is "five hundred five billion, two hundred twelve million, forty-three thousand, five hundred fifty-nine".