5555505550505 has 4 divisors (see below), whose sum is σ = 6666606660612. Its totient is φ = 4444404440400.

The previous prime is 5555505550489. The next prime is 5555505550513. The reversal of 5555505550505 is 5050555055555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2957722358809 + 2597783191696 = 1719803^2 + 1611764^2 .

It is not a de Polignac number, because 5555505550505 - 2⁴ = 5555505550489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555550555046 + ... + 555550555055.

It is an arithmetic number, because the mean of its divisors is an integer number (1666651665153).

Almost surely, 2^{5555505550505} is an apocalyptic number.

It is an amenable number.

5555505550505 is a deficient number, since it is larger than the sum of its proper divisors (1111101110107).

5555505550505 is a wasteful number, since it uses less digits than its factorization.

5555505550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111101110106.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 5555505550505 in words is "five trillion, five hundred fifty-five billion, five hundred five million, five hundred fifty thousand, five hundred five".