505353314161 has 4 divisors (see below), whose sum is σ = 505368111424. Its totient is φ = 505338516900.

The previous prime is 505353314143. The next prime is 505353314173. The reversal of 505353314161 is 161413353505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505353314161 - 2³¹ = 503205830513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505353314161.

It is not an unprimeable number, because it can be changed into a prime (505353318161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7347285 + ... + 7415746.

It is an arithmetic number, because the mean of its divisors is an integer number (126342027856).

Almost surely, 2^505353314161 is an apocalyptic number.

It is an amenable number.

505353314161 is a deficient number, since it is larger than the sum of its proper divisors (14797263).

505353314161 is a wasteful number, since it uses less digits than its factorization.

505353314161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14797262.

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 505353314161 its reverse (161413353505), we get a palindrome (666766667666).

The spelling of 505353314161 in words is "five hundred five billion, three hundred fifty-three million, three hundred fourteen thousand, one hundred sixty-one".