505431361043 has 8 divisors (see below), whose sum is σ = 596269255680. Its totient is φ = 419251820040.

The previous prime is 505431361033. The next prime is 505431361051. The reversal of 505431361043 is 340163134505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505431361043 - 2¹⁶ = 505431295507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505431360994 and 505431361012.

It is not an unprimeable number, because it can be changed into a prime (505431361003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164588173 + ... + 1164588606.

It is an arithmetic number, because the mean of its divisors is an integer number (74533656960).

Almost surely, 2^505431361043 is an apocalyptic number.

505431361043 is a deficient number, since it is larger than the sum of its proper divisors (90837894637).

505431361043 is a wasteful number, since it uses less digits than its factorization.

505431361043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329176817.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 505431361043 its reverse (340163134505), we get a palindrome (845594495548).

The spelling of 505431361043 in words is "five hundred five billion, four hundred thirty-one million, three hundred sixty-one thousand, forty-three".