5555555500555 has 4 divisors (see below), whose sum is σ = 6666666600672. Its totient is φ = 4444444400440.

The previous prime is 5555555500519. The next prime is 5555555500603. The reversal of 5555555500555 is 5550055555555.

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

It is not a de Polignac number, because 5555555500555 - 2²¹ = 5555553403403 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 5555555500496 and 5555555500505.

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, 555555550051 + ... + 555555550060.

It is an arithmetic number, because the mean of its divisors is an integer number (1666666650168).

Almost surely, 2^{5555555500555} is an apocalyptic number.

5555555500555 is a deficient number, since it is larger than the sum of its proper divisors (1111111100117).

5555555500555 is a wasteful number, since it uses less digits than its factorization.

5555555500555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111111100116.

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

The spelling of 5555555500555 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred thousand, five hundred fifty-five".