18927211141103 has 2 divisors, whose sum is σ = 18927211141104. Its totient is φ = 18927211141102.

The previous prime is 18927211141099. The next prime is 18927211141187. The reversal of 18927211141103 is 30114111272981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18927211141103 - 2² = 18927211141099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18927211149103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9463605570551 + 9463605570552.

It is an arithmetic number, because the mean of its divisors is an integer number (9463605570552).

Almost surely, 2^{18927211141103} is an apocalyptic number.

18927211141103 is a deficient number, since it is larger than the sum of its proper divisors (1).

18927211141103 is an equidigital number, since it uses as much as digits as its factorization.

18927211141103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 41.

The spelling of 18927211141103 in words is "eighteen trillion, nine hundred twenty-seven billion, two hundred eleven million, one hundred forty-one thousand, one hundred three".