111442006187 has 2 divisors, whose sum is σ = 111442006188. Its totient is φ = 111442006186.

The previous prime is 111442006129. The next prime is 111442006213. The reversal of 111442006187 is 781600244111.

It is a strong prime.

It is an emirp because it is prime and its reverse (781600244111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111442006187 - 2⁸ = 111442005931 is a prime.

It is not a weakly prime, because it can be changed into another prime (111442006127) 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, 55721003093 + 55721003094.

It is an arithmetic number, because the mean of its divisors is an integer number (55721003094).

Almost surely, 2^111442006187 is an apocalyptic number.

111442006187 is a deficient number, since it is larger than the sum of its proper divisors (1).

111442006187 is an equidigital number, since it uses as much as digits as its factorization.

111442006187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 111442006187 in words is "one hundred eleven billion, four hundred forty-two million, six thousand, one hundred eighty-seven".