505535134160 has 80 divisors (see below), whose sum is σ = 1345607970816. Its totient is φ = 173025828864.

The previous prime is 505535134123. The next prime is 505535134219. The reversal of 505535134160 is 61431535505.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 459152 + ... + 1105391.

Almost surely, 2^505535134160 is an apocalyptic number.

It is an amenable number.

505535134160 is an abundant number, since it is smaller than the sum of its proper divisors (840072836656).

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

505535134160 is a wasteful number, since it uses less digits than its factorization.

505535134160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565140 (or 1565134 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 505535134160 its reverse (61431535505), we get a palindrome (566966669665).

The spelling of 505535134160 in words is "five hundred five billion, five hundred thirty-five million, one hundred thirty-four thousand, one hundred sixty".