5556111047 has 2 divisors, whose sum is σ = 5556111048. Its totient is φ = 5556111046.

The previous prime is 5556111017. The next prime is 5556111049. The reversal of 5556111047 is 7401116555.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5556111047 is a prime.

Together with 5556111049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5556110998 and 5556111016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5556111049) 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 as a sum of consecutive naturals, namely, 2778055523 + 2778055524.

It is an arithmetic number, because the mean of its divisors is an integer number (2778055524).

Almost surely, 2^5556111047 is an apocalyptic number.

5556111047 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556111047 is an equidigital number, since it uses as much as digits as its factorization.

5556111047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 35.

The square root of 5556111047 is about 74539.3255067417. The cubic root of 5556111047 is about 1771.1566431114.

The spelling of 5556111047 in words is "five billion, five hundred fifty-six million, one hundred eleven thousand, forty-seven".