5555555505505 has 8 divisors (see below), whose sum is σ = 6684539709672. Its totient is φ = 4432529002368.

The previous prime is 5555555505503. The next prime is 5555555505541. The reversal of 5555555505505 is 5055055555555.

It can be written as a sum of positive squares in 4 ways, for example, as 1847685615616 + 3707869889889 = 1359296^2 + 1925583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5555555505505 - 2¹ = 5555555505503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5555555505503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1489423204 + ... + 1489426933.

It is an arithmetic number, because the mean of its divisors is an integer number (835567463709).

Almost surely, 2^{5555555505505} is an apocalyptic number.

It is an amenable number.

5555555505505 is a deficient number, since it is larger than the sum of its proper divisors (1128984204167).

5555555505505 is a wasteful number, since it uses less digits than its factorization.

5555555505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978850515.

The product of its (nonzero) digits is 48828125, while the sum is 55.

The spelling of 5555555505505 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred five thousand, five hundred five".