505600561100 has 36 divisors (see below), whose sum is σ = 1097336265984. Its totient is φ = 202206482880.

The previous prime is 505600561099. The next prime is 505600561117. The reversal of 505600561100 is 1165006505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184949 + ... + 1022451.

It is an arithmetic number, because the mean of its divisors is an integer number (30481562944).

Almost surely, 2^505600561100 is an apocalyptic number.

505600561100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505600561100 is an abundant number, since it is smaller than the sum of its proper divisors (591735704884).

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

505600561100 is a wasteful number, since it uses less digits than its factorization.

505600561100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843554 (or 843547 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 505600561100 its reverse (1165006505), we get a palindrome (506765567605).

The spelling of 505600561100 in words is "five hundred five billion, six hundred million, five hundred sixty-one thousand, one hundred".