505555100010 has 24 divisors (see below), whose sum is σ = 1314443260260. Its totient is φ = 134814693312.

The previous prime is 505555100009. The next prime is 505555100081. The reversal of 505555100010 is 10001555505.

505555100010 is a `hidden beast` number, since 5 + 0 + 5 + 555 + 100 + 0 + 1 + 0 = 666.

505555100010 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 463054391361 + 42500708649 = 680481^2 + 206157^2 .

It is a super-2 number, since 2×505555100010² (a number of 24 digits) contains 22 as substring.

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, 2808639355 + ... + 2808639534.

Almost surely, 2^505555100010 is an apocalyptic number.

505555100010 is an abundant number, since it is smaller than the sum of its proper divisors (808888160250).

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

505555100010 is a wasteful number, since it uses less digits than its factorization.

505555100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617278902 (or 5617278899 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

Adding to 505555100010 its reverse (10001555505), we get a palindrome (515556655515).

The spelling of 505555100010 in words is "five hundred five billion, five hundred fifty-five million, one hundred thousand, ten".