194000001001111 has 2 divisors, whose sum is σ = 194000001001112. Its totient is φ = 194000001001110.

The previous prime is 194000001001099. The next prime is 194000001001171. The reversal of 194000001001111 is 111100100000491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194000001001111 - 2⁷ = 194000001000983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194000001001171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97000000500555 + 97000000500556.

It is an arithmetic number, because the mean of its divisors is an integer number (97000000500556).

Almost surely, 2^{194000001001111} is an apocalyptic number.

194000001001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

194000001001111 is an equidigital number, since it uses as much as digits as its factorization.

194000001001111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 194000001001111 in words is "one hundred ninety-four trillion, one million, one thousand, one hundred eleven".