505505555005 has 16 divisors (see below), whose sum is σ = 661826173248. Its totient is φ = 367599600000.

The previous prime is 505505554997. The next prime is 505505555041. The reversal of 505505555005 is 500555505505.

It is not a de Polignac number, because 505505555005 - 2³ = 505505554997 is a prime.

It is a super-2 number, since 2×505505555005² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

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, 5496 + ... + 1005505.

It is an arithmetic number, because the mean of its divisors is an integer number (41364135828).

Almost surely, 2^505505555005 is an apocalyptic number.

505505555005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505505555005 is a deficient number, since it is larger than the sum of its proper divisors (156320618243).

505505555005 is a wasteful number, since it uses less digits than its factorization.

505505555005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020108.

The product of its (nonzero) digits is 390625, while the sum is 40.

It can be divided in two parts, 50 and 5505555005, that added together give a palindrome (5505555055).

The spelling of 505505555005 in words is "five hundred five billion, five hundred five million, five hundred fifty-five thousand, five".