1118659438799 has 16 divisors (see below), whose sum is σ = 1289301125376. Its totient is φ = 950738256000.

The previous prime is 1118659438747. The next prime is 1118659438801. The reversal of 1118659438799 is 9978349568111.

It is a cyclic number.

It is not a de Polignac number, because 1118659438799 - 2⁸ = 1118659438543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118659435799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593444 + ... + 1609190.

It is an arithmetic number, because the mean of its divisors is an integer number (80581320336).

Almost surely, 2^{1118659438799} is an apocalyptic number.

1118659438799 is a deficient number, since it is larger than the sum of its proper divisors (170641686577).

1118659438799 is a wasteful number, since it uses less digits than its factorization.

1118659438799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017086.

The product of its digits is 117573120, while the sum is 71.

The spelling of 1118659438799 in words is "one trillion, one hundred eighteen billion, six hundred fifty-nine million, four hundred thirty-eight thousand, seven hundred ninety-nine".