1158197005 has 8 divisors (see below), whose sum is σ = 1588384512. Its totient is φ = 794192208.

The previous prime is 1158196999. The next prime is 1158197009. The reversal of 1158197005 is 5007918511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1158197005 - 2¹³ = 1158188813 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 (1158197009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16545637 + ... + 16545706.

It is an arithmetic number, because the mean of its divisors is an integer number (198548064).

Almost surely, 2^1158197005 is an apocalyptic number.

It is an amenable number.

1158197005 is a deficient number, since it is larger than the sum of its proper divisors (430187507).

1158197005 is an equidigital number, since it uses as much as digits as its factorization.

1158197005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33091355.

The product of its (nonzero) digits is 12600, while the sum is 37.

The square root of 1158197005 is about 34032.2935606756. The cubic root of 1158197005 is about 1050.1729133221.

The spelling of 1158197005 in words is "one billion, one hundred fifty-eight million, one hundred ninety-seven thousand, five".