556111172847 has 4 divisors (see below), whose sum is σ = 741481563800. Its totient is φ = 370740781896.

The previous prime is 556111172807. The next prime is 556111172921. The reversal of 556111172847 is 748271111655.

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

It is not a de Polignac number, because 556111172847 - 2²⁷ = 555976955119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556111172796 and 556111172805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556111172807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92685195472 + ... + 92685195477.

It is an arithmetic number, because the mean of its divisors is an integer number (185370390950).

Almost surely, 2^556111172847 is an apocalyptic number.

556111172847 is a deficient number, since it is larger than the sum of its proper divisors (185370390953).

556111172847 is a wasteful number, since it uses less digits than its factorization.

556111172847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185370390952.

The product of its digits is 470400, while the sum is 48.

The spelling of 556111172847 in words is "five hundred fifty-six billion, one hundred eleven million, one hundred seventy-two thousand, eight hundred forty-seven".