5555555555499 has 12 divisors (see below), whose sum is σ = 8050005845856. Its totient is φ = 3692020093872.

The previous prime is 5555555555441. The next prime is 5555555555507. The reversal of 5555555555499 is 9945555555555.

It is not a de Polignac number, because 5555555555499 - 2¹⁹ = 5555555031211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5555555555899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 973631139 + ... + 973636844.

It is an arithmetic number, because the mean of its divisors is an integer number (670833820488).

Almost surely, 2^{5555555555499} is an apocalyptic number.

5555555555499 is a deficient number, since it is larger than the sum of its proper divisors (2494450290357).

5555555555499 is a wasteful number, since it uses less digits than its factorization.

5555555555499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947268306 (or 1947268303 counting only the distinct ones).

The product of its digits is 3164062500, while the sum is 72.

The spelling of 5555555555499 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, four hundred ninety-nine".