505055000043 has 48 divisors (see below), whose sum is σ = 811104652800. Its totient is φ = 300262818240.

The previous prime is 505055000041. The next prime is 505055000059. The reversal of 505055000043 is 340000550505.

It is not a de Polignac number, because 505055000043 - 2¹ = 505055000041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505054999980 and 505055000016.

It is not an unprimeable number, because it can be changed into a prime (505055000041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1425993 + ... + 1744581.

It is an arithmetic number, because the mean of its divisors is an integer number (16898013600).

Almost surely, 2^505055000043 is an apocalyptic number.

505055000043 is a deficient number, since it is larger than the sum of its proper divisors (306049652757).

505055000043 is a wasteful number, since it uses less digits than its factorization.

505055000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318912 (or 318909 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

Adding to 505055000043 its reverse (340000550505), we get a palindrome (845055550548).

The spelling of 505055000043 in words is "five hundred five billion, fifty-five million, forty-three", and thus it is an aban number.