1158194966843 has 4 divisors (see below), whose sum is σ = 1167036149928. Its totient is φ = 1149353783760.

The previous prime is 1158194966839. The next prime is 1158194966893. The reversal of 1158194966843 is 3486694918511.

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

It is a cyclic number.

It is not a de Polignac number, because 1158194966843 - 2² = 1158194966839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1158194966843.

It is not an unprimeable number, because it can be changed into a prime (1158194966893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4420591346 + ... + 4420591607.

It is an arithmetic number, because the mean of its divisors is an integer number (291759037482).

Almost surely, 2^{1158194966843} is an apocalyptic number.

1158194966843 is a deficient number, since it is larger than the sum of its proper divisors (8841183085).

1158194966843 is an equidigital number, since it uses as much as digits as its factorization.

1158194966843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8841183084.

The product of its digits is 44789760, while the sum is 65.

The spelling of 1158194966843 in words is "one trillion, one hundred fifty-eight billion, one hundred ninety-four million, nine hundred sixty-six thousand, eight hundred forty-three".