505364012461 has 32 divisors (see below), whose sum is σ = 664658841600. Its totient is φ = 372258089280.

The previous prime is 505364012431. The next prime is 505364012477. The reversal of 505364012461 is 164210463505.

It is not a de Polignac number, because 505364012461 - 2¹¹ = 505364010413 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 505364012461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505364012431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304335 + ... + 1050403.

It is an arithmetic number, because the mean of its divisors is an integer number (20770588800).

Almost surely, 2^505364012461 is an apocalyptic number.

It is an amenable number.

505364012461 is a deficient number, since it is larger than the sum of its proper divisors (159294829139).

505364012461 is a wasteful number, since it uses less digits than its factorization.

505364012461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746569.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 505364012461 its reverse (164210463505), we get a palindrome (669574475966).

The spelling of 505364012461 in words is "five hundred five billion, three hundred sixty-four million, twelve thousand, four hundred sixty-one".