5555558210819 has 16 divisors (see below), whose sum is σ = 5618316943008. Its totient is φ = 5493146867712.

The previous prime is 5555558210803. The next prime is 5555558210831. The reversal of 5555558210819 is 9180128555555.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5555558210819 - 2⁴ = 5555558210803 is a prime.

It is a super-2 number, since 2×5555558210819² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5555558510819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60224459 + ... + 60316635.

It is an arithmetic number, because the mean of its divisors is an integer number (351144808938).

Almost surely, 2^{5555558210819} is an apocalyptic number.

5555558210819 is a deficient number, since it is larger than the sum of its proper divisors (62758732189).

5555558210819 is a wasteful number, since it uses less digits than its factorization.

5555558210819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94054.

The product of its (nonzero) digits is 18000000, while the sum is 59.

The spelling of 5555558210819 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-eight million, two hundred ten thousand, eight hundred nineteen".