1118659438543 has 2 divisors, whose sum is σ = 1118659438544. Its totient is φ = 1118659438542.

The previous prime is 1118659438489. The next prime is 1118659438607. The reversal of 1118659438543 is 3458349568111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118659438543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118659430543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559329719271 + 559329719272.

It is an arithmetic number, because the mean of its divisors is an integer number (559329719272).

Almost surely, 2^{1118659438543} is an apocalyptic number.

1118659438543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118659438543 is an equidigital number, since it uses as much as digits as its factorization.

1118659438543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12441600, while the sum is 58.

The spelling of 1118659438543 in words is "one trillion, one hundred eighteen billion, six hundred fifty-nine million, four hundred thirty-eight thousand, five hundred forty-three".