505010555505 has 48 divisors (see below), whose sum is σ = 931235819904. Its totient is φ = 252294013440.

The previous prime is 505010555503. The next prime is 505010555513. The reversal of 505010555505 is 505555010505.

It is a happy number.

505010555505 is a `hidden beast` number, since 5 + 0 + 50 + 1 + 0 + 55 + 550 + 5 = 666.

It is not a de Polignac number, because 505010555505 - 2¹ = 505010555503 is a prime.

It is a super-2 number, since 2×505010555505² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505010555505.

It is not an unprimeable number, because it can be changed into a prime (505010555503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1402909 + ... + 1725738.

It is an arithmetic number, because the mean of its divisors is an integer number (19400746248).

Almost surely, 2^505010555505 is an apocalyptic number.

It is an amenable number.

505010555505 is a deficient number, since it is larger than the sum of its proper divisors (426225264399).

505010555505 is a wasteful number, since it uses less digits than its factorization.

505010555505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128886 (or 3128883 counting only the distinct ones).

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

It can be divided in two parts, 5050105 and 55505, that added together give a triangular number (5105610 = T₃₁₉₅).

The spelling of 505010555505 in words is "five hundred five billion, ten million, five hundred fifty-five thousand, five hundred five".