1118659438801 has 2 divisors, whose sum is σ = 1118659438802. Its totient is φ = 1118659438800.

The previous prime is 1118659438747. The next prime is 1118659438807. The reversal of 1118659438801 is 1088349568111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 722262019600 + 396397419201 = 849860^2 + 629601^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118659438801 - 2¹¹ = 1118659436753 is a prime.

It is not a weakly prime, because it can be changed into another prime (1118659438807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559329719400 + 559329719401.

It is an arithmetic number, because the mean of its divisors is an integer number (559329719401).

Almost surely, 2^{1118659438801} is an apocalyptic number.

It is an amenable number.

1118659438801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118659438801 is an equidigital number, since it uses as much as digits as its factorization.

1118659438801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 55.

The spelling of 1118659438801 in words is "one trillion, one hundred eighteen billion, six hundred fifty-nine million, four hundred thirty-eight thousand, eight hundred one".