1158170099 has 16 divisors (see below), whose sum is σ = 1260902400. Its totient is φ = 1060210944.

The previous prime is 1158170093. The next prime is 1158170113. The reversal of 1158170099 is 9900718511.

It is not a de Polignac number, because 1158170099 - 2⁸ = 1158169843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158170093) 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 15 ways as a sum of consecutive naturals, for example, 62339 + ... + 78755.

It is an arithmetic number, because the mean of its divisors is an integer number (78806400).

Almost surely, 2^1158170099 is an apocalyptic number.

1158170099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1158170099 is a deficient number, since it is larger than the sum of its proper divisors (102732301).

1158170099 is a wasteful number, since it uses less digits than its factorization.

1158170099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16562.

The product of its (nonzero) digits is 22680, while the sum is 41.

The square root of 1158170099 is about 34031.8982573702. The cubic root of 1158170099 is about 1050.1647810927.

The spelling of 1158170099 in words is "one billion, one hundred fifty-eight million, one hundred seventy thousand, ninety-nine".