111038134194187 has 2 divisors, whose sum is σ = 111038134194188. Its totient is φ = 111038134194186.

The previous prime is 111038134194139. The next prime is 111038134194199. The reversal of 111038134194187 is 781491431830111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111038134194187 is a prime.

It is not a weakly prime, because it can be changed into another prime (111038134194137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55519067097093 + 55519067097094.

It is an arithmetic number, because the mean of its divisors is an integer number (55519067097094).

Almost surely, 2^{111038134194187} is an apocalyptic number.

111038134194187 is a deficient number, since it is larger than the sum of its proper divisors (1).

111038134194187 is an equidigital number, since it uses as much as digits as its factorization.

111038134194187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 111038134194187 in words is "one hundred eleven trillion, thirty-eight billion, one hundred thirty-four million, one hundred ninety-four thousand, one hundred eighty-seven".