505000055505 has 16 divisors (see below), whose sum is σ = 881454642624. Its totient is φ = 244848511680.

The previous prime is 505000055459. The next prime is 505000055537. The reversal of 505000055505 is 505550000505.

It is a de Polignac number, because none of the positive numbers 2^k-505000055505 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530303034 + ... + 1530303363.

It is an arithmetic number, because the mean of its divisors is an integer number (55090915164).

Almost surely, 2^505000055505 is an apocalyptic number.

505000055505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505000055505 is a deficient number, since it is larger than the sum of its proper divisors (376454587119).

505000055505 is a wasteful number, since it uses less digits than its factorization.

505000055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060606416.

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 505000055505 in words is "five hundred five billion, fifty-five thousand, five hundred five".