111928327187 has 2 divisors, whose sum is σ = 111928327188. Its totient is φ = 111928327186.

The previous prime is 111928327163. The next prime is 111928327309. The reversal of 111928327187 is 781723829111.

It is a weak prime.

It is an emirp because it is prime and its reverse (781723829111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111928327187 - 2¹⁶ = 111928261651 is a prime.

It is not a weakly prime, because it can be changed into another prime (111928327127) 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, 55964163593 + 55964163594.

It is an arithmetic number, because the mean of its divisors is an integer number (55964163594).

Almost surely, 2^111928327187 is an apocalyptic number.

111928327187 is a deficient number, since it is larger than the sum of its proper divisors (1).

111928327187 is an equidigital number, since it uses as much as digits as its factorization.

111928327187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 50.

The spelling of 111928327187 in words is "one hundred eleven billion, nine hundred twenty-eight million, three hundred twenty-seven thousand, one hundred eighty-seven".