18000011000087 has 2 divisors, whose sum is σ = 18000011000088. Its totient is φ = 18000011000086.

The previous prime is 18000011000071. The next prime is 18000011000089. The reversal of 18000011000087 is 78000011000081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18000011000087 - 2⁴ = 18000011000071 is a prime.

Together with 18000011000089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18000011000089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9000005500043 + 9000005500044.

It is an arithmetic number, because the mean of its divisors is an integer number (9000005500044).

Almost surely, 2^{18000011000087} is an apocalyptic number.

18000011000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

18000011000087 is an equidigital number, since it uses as much as digits as its factorization.

18000011000087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 26.

The spelling of 18000011000087 in words is "eighteen trillion, eleven million, eighty-seven", and thus it is an aban number and an uban number.