505460000091 has 8 divisors (see below), whose sum is σ = 674066544640. Its totient is φ = 336913394472.

The previous prime is 505459999999. The next prime is 505460000093. The reversal of 505460000091 is 190000064505.

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

It is not a de Polignac number, because 505460000091 - 2¹⁰ = 505459999067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505460000093) 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, 14965051 + ... + 14998788.

It is an arithmetic number, because the mean of its divisors is an integer number (84258318080).

Almost surely, 2^505460000091 is an apocalyptic number.

505460000091 is a deficient number, since it is larger than the sum of its proper divisors (168606544549).

505460000091 is a wasteful number, since it uses less digits than its factorization.

505460000091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29969465.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 505460000091 its reverse (190000064505), we get a palindrome (695460064596).

The spelling of 505460000091 in words is "five hundred five billion, four hundred sixty million, ninety-one", and thus it is an aban number.