111471125047 has 2 divisors, whose sum is σ = 111471125048. Its totient is φ = 111471125046.

The previous prime is 111471125009. The next prime is 111471125093. The reversal of 111471125047 is 740521174111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111471125047 - 2¹⁵ = 111471092279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111471125347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55735562523 + 55735562524.

It is an arithmetic number, because the mean of its divisors is an integer number (55735562524).

Almost surely, 2^111471125047 is an apocalyptic number.

111471125047 is a deficient number, since it is larger than the sum of its proper divisors (1).

111471125047 is an equidigital number, since it uses as much as digits as its factorization.

111471125047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 34.

Adding to 111471125047 its reverse (740521174111), we get a palindrome (851992299158).

The spelling of 111471125047 in words is "one hundred eleven billion, four hundred seventy-one million, one hundred twenty-five thousand, forty-seven".