505605606060 has 144 divisors (see below), whose sum is σ = 1502378908128. Its totient is φ = 126951874560.

The previous prime is 505605606019. The next prime is 505605606067. The reversal of 505605606060 is 60606506505.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (505605606067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2014924 + ... + 2251916.

It is an arithmetic number, because the mean of its divisors is an integer number (10433186862).

Almost surely, 2^505605606060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505605606060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751189454064).

505605606060 is an abundant number, since it is smaller than the sum of its proper divisors (996773302068).

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

505605606060 is a wasteful number, since it uses less digits than its factorization.

505605606060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237104 (or 237071 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 505605606060 in words is "five hundred five billion, six hundred five million, six hundred six thousand, sixty".