1117115158 has 16 divisors (see below), whose sum is σ = 1689569280. Its totient is φ = 553945000.

The previous prime is 1117115141. The next prime is 1117115159. The reversal of 1117115158 is 8515117111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117115159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115323 + ... + 124633.

It is an arithmetic number, because the mean of its divisors is an integer number (105598080).

Almost surely, 2^1117115158 is an apocalyptic number.

1117115158 is a deficient number, since it is larger than the sum of its proper divisors (572454122).

1117115158 is a wasteful number, since it uses less digits than its factorization.

1117115158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9803.

The product of its digits is 1400, while the sum is 31.

The square root of 1117115158 is about 33423.2727003207. The cubic root of 1117115158 is about 1037.6064153295.

The spelling of 1117115158 in words is "one billion, one hundred seventeen million, one hundred fifteen thousand, one hundred fifty-eight".