505501055505 has 32 divisors (see below), whose sum is σ = 898697963520. Its totient is φ = 269591736960.

The previous prime is 505501055443. The next prime is 505501055531. The reversal of 505501055505 is 505550105505.

It is a happy number.

505501055505 is a `hidden beast` number, since 5 + 0 + 550 + 1 + 0 + 55 + 50 + 5 = 666.

It is not a de Polignac number, because 505501055505 - 2⁷ = 505501055377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505501055505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7769389 + ... + 7834181.

It is an arithmetic number, because the mean of its divisors is an integer number (28084311360).

Almost surely, 2^505501055505 is an apocalyptic number.

It is an amenable number.

505501055505 is a deficient number, since it is larger than the sum of its proper divisors (393196908015).

505501055505 is a wasteful number, since it uses less digits than its factorization.

505501055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122598 (or 122592 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 505501055505 in words is "five hundred five billion, five hundred one million, fifty-five thousand, five hundred five".