1120811115 has 16 divisors (see below), whose sum is σ = 1831454208. Its totient is φ = 585047136.

The previous prime is 1120811099. The next prime is 1120811117. The reversal of 1120811115 is 5111180211.

It is not a de Polignac number, because 1120811115 - 2⁴ = 1120811099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120811091 and 1120811100.

It is not an unprimeable number, because it can be changed into a prime (1120811117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794197 + ... + 795606.

It is an arithmetic number, because the mean of its divisors is an integer number (114465888).

Almost surely, 2^1120811115 is an apocalyptic number.

1120811115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1120811115 is a deficient number, since it is larger than the sum of its proper divisors (710643093).

1120811115 is a wasteful number, since it uses less digits than its factorization.

1120811115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589858.

The product of its (nonzero) digits is 80, while the sum is 21.

The square root of 1120811115 is about 33478.5172162687. The cubic root of 1120811115 is about 1038.7494568906.

Adding to 1120811115 its reverse (5111180211), we get a palindrome (6231991326).

The spelling of 1120811115 in words is "one billion, one hundred twenty million, eight hundred eleven thousand, one hundred fifteen".