1116165111 has 8 divisors (see below), whose sum is σ = 1490114304. Its totient is φ = 743163000.

The previous prime is 1116165101. The next prime is 1116165121. The reversal of 1116165111 is 1115616111.

It is an interprime number because it is at equal distance from previous prime (1116165101) and next prime (1116165121).

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

It is not a de Polignac number, because 1116165111 - 2⁷ = 1116164983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116165101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234015 + ... + 238736.

It is an arithmetic number, because the mean of its divisors is an integer number (186264288).

Almost surely, 2^1116165111 is an apocalyptic number.

1116165111 is a deficient number, since it is larger than the sum of its proper divisors (373949193).

1116165111 is an equidigital number, since it uses as much as digits as its factorization.

1116165111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473541.

The product of its digits is 180, while the sum is 24.

The square root of 1116165111 is about 33409.0573198347. The cubic root of 1116165111 is about 1037.3121888907.

The spelling of 1116165111 in words is "one billion, one hundred sixteen million, one hundred sixty-five thousand, one hundred eleven".