1115110105 has 4 divisors (see below), whose sum is σ = 1338132132. Its totient is φ = 892088080.

The previous prime is 1115110091. The next prime is 1115110111. The reversal of 1115110105 is 5010115111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 660695616 + 454414489 = 25704^2 + 21317^2 .

It is not a de Polignac number, because 1115110105 - 2²⁷ = 980892377 is a prime.

It is a super-2 number, since 2×1115110105² = 2486941092546222050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 111511006 + ... + 111511015.

It is an arithmetic number, because the mean of its divisors is an integer number (334533033).

Almost surely, 2^1115110105 is an apocalyptic number.

It is an amenable number.

1115110105 is a deficient number, since it is larger than the sum of its proper divisors (223022027).

1115110105 is an equidigital number, since it uses as much as digits as its factorization.

1115110105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223022026.

The product of its (nonzero) digits is 25, while the sum is 16.

The square root of 1115110105 is about 33393.2643657370. The cubic root of 1115110105 is about 1036.9852612837.

Adding to 1115110105 its reverse (5010115111), we get a palindrome (6125225216).

The spelling of 1115110105 in words is "one billion, one hundred fifteen million, one hundred ten thousand, one hundred five".