18055178003843 has 2 divisors, whose sum is σ = 18055178003844. Its totient is φ = 18055178003842.

The previous prime is 18055178003827. The next prime is 18055178003911. The reversal of 18055178003843 is 34830087155081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18055178003843 - 2⁴ = 18055178003827 is a prime.

It is not a weakly prime, because it can be changed into another prime (18055178063843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9027589001921 + 9027589001922.

It is an arithmetic number, because the mean of its divisors is an integer number (9027589001922).

Almost surely, 2^{18055178003843} is an apocalyptic number.

18055178003843 is a deficient number, since it is larger than the sum of its proper divisors (1).

18055178003843 is an equidigital number, since it uses as much as digits as its factorization.

18055178003843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 18055178003843 in words is "eighteen trillion, fifty-five billion, one hundred seventy-eight million, three thousand, eight hundred forty-three".