505505500555 has 8 divisors (see below), whose sum is σ = 661752655344. Its totient is φ = 367640364000.

The previous prime is 505505500537. The next prime is 505505500583. The reversal of 505505500555 is 555005505505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505505500555 - 2⁹ = 505505500043 is a prime.

It is a super-2 number, since 2×505505500555² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595504496 + ... + 4595504605.

It is an arithmetic number, because the mean of its divisors is an integer number (82719081918).

Almost surely, 2^505505500555 is an apocalyptic number.

505505500555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

505505500555 is a deficient number, since it is larger than the sum of its proper divisors (156247154789).

505505500555 is a wasteful number, since it uses less digits than its factorization.

505505500555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191009117.

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

The spelling of 505505500555 in words is "five hundred five billion, five hundred five million, five hundred thousand, five hundred fifty-five".