505351445143 has 2 divisors, whose sum is σ = 505351445144. Its totient is φ = 505351445142.

The previous prime is 505351445119. The next prime is 505351445147. The reversal of 505351445143 is 341544153505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505351445143 - 2¹⁷ = 505351314071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505351445096 and 505351445105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505351445147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252675722571 + 252675722572.

It is an arithmetic number, because the mean of its divisors is an integer number (252675722572).

Almost surely, 2^505351445143 is an apocalyptic number.

505351445143 is a deficient number, since it is larger than the sum of its proper divisors (1).

505351445143 is an equidigital number, since it uses as much as digits as its factorization.

505351445143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 505351445143 its reverse (341544153505), we get a palindrome (846895598648).

The spelling of 505351445143 in words is "five hundred five billion, three hundred fifty-one million, four hundred forty-five thousand, one hundred forty-three".