505555000305 has 64 divisors (see below), whose sum is σ = 839383776000. Its totient is φ = 259523453952.

The previous prime is 505555000261. The next prime is 505555000319. The reversal of 505555000305 is 503000555505.

It is not a de Polignac number, because 505555000305 - 2⁶ = 505555000241 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 298614039 + ... + 298615731.

It is an arithmetic number, because the mean of its divisors is an integer number (13115371500).

Almost surely, 2^505555000305 is an apocalyptic number.

It is an amenable number.

505555000305 is a deficient number, since it is larger than the sum of its proper divisors (333828775695).

505555000305 is a wasteful number, since it uses less digits than its factorization.

505555000305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458.

The product of its (nonzero) digits is 46875, while the sum is 33.

The spelling of 505555000305 in words is "five hundred five billion, five hundred fifty-five million, three hundred five", and thus it is an aban number.