5557113166609 has 3 divisors (see below), whose sum is σ = 5557115523963. Its totient is φ = 5557110809256.

The previous prime is 5557113166589. The next prime is 5557113166679. The reversal of 5557113166609 is 9066613117555.

The square root of 5557113166609 is 2357353.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2657340118225 + 2899773048384 = 1630135^2 + 1702872^2 .

It is not a de Polignac number, because 5557113166609 - 2³⁷ = 5419674213137 is a prime.

It is a super-3 number, since 3×5557113166609³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5557113166609.

It is not an unprimeable number, because it can be changed into a prime (5557113166679) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1178677 + ... + 3536029.

It is an arithmetic number, because the mean of its divisors is an integer number (1852371841321).

Almost surely, 2^{5557113166609} is an apocalyptic number.

5557113166609 is the 2357353-rd square number.

5557113166609 is the 1178677-th centered octagonal number.

It is an amenable number.

5557113166609 is a deficient number, since it is larger than the sum of its proper divisors (2357354).

5557113166609 is an frugal number, since it uses more digits than its factorization.

5557113166609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714706 (or 2357353 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 55.

The spelling of 5557113166609 in words is "five trillion, five hundred fifty-seven billion, one hundred thirteen million, one hundred sixty-six thousand, six hundred nine".