505720160052 has 48 divisors (see below), whose sum is σ = 1191387476160. Its totient is φ = 166949477632.

The previous prime is 505720160041. The next prime is 505720160117. The reversal of 505720160052 is 250061027505.

It is a junction number, because it is equal to n+sod(n) for n = 505720159995 and 505720160022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4511824 + ... + 4622552.

It is an arithmetic number, because the mean of its divisors is an integer number (24820572420).

Almost surely, 2^505720160052 is an apocalyptic number.

It is an amenable number.

505720160052 is an abundant number, since it is smaller than the sum of its proper divisors (685667316108).

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

505720160052 is a wasteful number, since it uses less digits than its factorization.

505720160052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114400 (or 114398 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

Adding to 505720160052 its reverse (250061027505), we get a palindrome (755781187557).

The spelling of 505720160052 in words is "five hundred five billion, seven hundred twenty million, one hundred sixty thousand, fifty-two".