505465564505 has 16 divisors (see below), whose sum is σ = 666910623744. Its totient is φ = 364716737280.

The previous prime is 505465564453. The next prime is 505465564601.

505465564505 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 505465564505 - 2¹⁰ = 505465563481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36175232 + ... + 36189201.

It is an arithmetic number, because the mean of its divisors is an integer number (41681913984).

Almost surely, 2^505465564505 is an apocalyptic number.

505465564505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505465564505 is a deficient number, since it is larger than the sum of its proper divisors (161445059239).

505465564505 is a wasteful number, since it uses less digits than its factorization.

505465564505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72364576.

The product of its (nonzero) digits is 9000000, while the sum is 50.

The spelling of 505465564505 in words is "five hundred five billion, four hundred sixty-five million, five hundred sixty-four thousand, five hundred five".