1158806608193 has 4 divisors (see below), whose sum is σ = 1247945578068. Its totient is φ = 1069667638320.

The previous prime is 1158806608163. The next prime is 1158806608237. The reversal of 1158806608193 is 3918066088511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55334093824 + 1103472514369 = 235232^2 + 1050463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1158806608193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158806608123) 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 in 3 ways as a sum of consecutive naturals, for example, 44569484918 + ... + 44569484943.

It is an arithmetic number, because the mean of its divisors is an integer number (311986394517).

Almost surely, 2^{1158806608193} is an apocalyptic number.

1158806608193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1158806608193 is a deficient number, since it is larger than the sum of its proper divisors (89138969875).

1158806608193 is an equidigital number, since it uses as much as digits as its factorization.

1158806608193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89138969874.

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 1158806608193 in words is "one trillion, one hundred fifty-eight billion, eight hundred six million, six hundred eight thousand, one hundred ninety-three".