505105314243 has 8 divisors (see below), whose sum is σ = 673477708800. Its totient is φ = 336734897928.

The previous prime is 505105314211. The next prime is 505105314289. The reversal of 505105314243 is 342413501505.

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

It is not a de Polignac number, because 505105314243 - 2⁵ = 505105314211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505105314443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270118 + ... + 1040756.

It is an arithmetic number, because the mean of its divisors is an integer number (84184713600).

Almost surely, 2^505105314243 is an apocalyptic number.

505105314243 is a deficient number, since it is larger than the sum of its proper divisors (168372394557).

505105314243 is a wasteful number, since it uses less digits than its factorization.

505105314243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989121.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 505105314243 its reverse (342413501505), we get a palindrome (847518815748).

The spelling of 505105314243 in words is "five hundred five billion, one hundred five million, three hundred fourteen thousand, two hundred forty-three".