556111172839 has 8 divisors (see below), whose sum is σ = 572187888272. Its totient is φ = 540177361920.

The previous prime is 556111172807. The next prime is 556111172921. The reversal of 556111172839 is 938271111655.

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 556111172839 - 2⁵ = 556111172807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556111172792 and 556111172801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556112172839) 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, 35718234 + ... + 35733799.

It is an arithmetic number, because the mean of its divisors is an integer number (71523486034).

Almost surely, 2^556111172839 is an apocalyptic number.

556111172839 is a deficient number, since it is larger than the sum of its proper divisors (16076715433).

556111172839 is a wasteful number, since it uses less digits than its factorization.

556111172839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71452257.

The product of its digits is 453600, while the sum is 49.

The spelling of 556111172839 in words is "five hundred fifty-six billion, one hundred eleven million, one hundred seventy-two thousand, eight hundred thirty-nine".