1158247794189 has 16 divisors (see below), whose sum is σ = 1548101746944. Its totient is φ = 770279764800.

The previous prime is 1158247794167. The next prime is 1158247794191. The reversal of 1158247794189 is 9814977428511.

It is not a de Polignac number, because 1158247794189 - 2⁷ = 1158247794061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158247794289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33544444 + ... + 33578954.

It is an arithmetic number, because the mean of its divisors is an integer number (96756359184).

Almost surely, 2^{1158247794189} is an apocalyptic number.

It is an amenable number.

1158247794189 is a deficient number, since it is larger than the sum of its proper divisors (389853952755).

1158247794189 is a wasteful number, since it uses less digits than its factorization.

1158247794189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61508.

The product of its digits is 40642560, while the sum is 66.

The spelling of 1158247794189 in words is "one trillion, one hundred fifty-eight billion, two hundred forty-seven million, seven hundred ninety-four thousand, one hundred eighty-nine".