505364005564 has 48 divisors (see below), whose sum is σ = 1059719028480. Its totient is φ = 208159079040.

The previous prime is 505364005561. The next prime is 505364005571. The reversal of 505364005564 is 465500463505.

It is a self number, because there is not a number n which added to its sum of digits gives 505364005564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505364005561) by changing a digit.

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, 13122129 + ... + 13160584.

It is an arithmetic number, because the mean of its divisors is an integer number (22077479760).

Almost surely, 2^505364005564 is an apocalyptic number.

It is an amenable number.

505364005564 is an abundant number, since it is smaller than the sum of its proper divisors (554355022916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505364005564 is a wasteful number, since it uses less digits than its factorization.

505364005564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26282770 (or 26282768 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 505364005564 in words is "five hundred five billion, three hundred sixty-four million, five thousand, five hundred sixty-four".