111110000000999 has 2 divisors, whose sum is σ = 111110000001000. Its totient is φ = 111110000000998.

The previous prime is 111110000000953. The next prime is 111110000001023. The reversal of 111110000000999 is 999000000011111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111110000000999 - 2⁸ = 111110000000743 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111110000050999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555000000499 + 55555000000500.

It is an arithmetic number, because the mean of its divisors is an integer number (55555000000500).

Almost surely, 2^{111110000000999} is an apocalyptic number.

111110000000999 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110000000999 is an equidigital number, since it uses as much as digits as its factorization.

111110000000999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 111110000000999 in words is "one hundred eleven trillion, one hundred ten billion, nine hundred ninety-nine", and thus it is an aban number.