1115150865 has 16 divisors (see below), whose sum is σ = 1804291200. Its totient is φ = 588063872.

The previous prime is 1115150851. The next prime is 1115150909. The reversal of 1115150865 is 5680515111.

It is a cyclic number.

It is not a de Polignac number, because 1115150865 - 2⁶ = 1115150801 is a prime.

It is a super-2 number, since 2×1115150865² = 2487122903420496450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416325 + ... + 418994.

It is an arithmetic number, because the mean of its divisors is an integer number (112768200).

Almost surely, 2^1115150865 is an apocalyptic number.

1115150865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115150865 is a deficient number, since it is larger than the sum of its proper divisors (689140335).

1115150865 is an equidigital number, since it uses as much as digits as its factorization.

1115150865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835416.

The product of its (nonzero) digits is 6000, while the sum is 33.

The square root of 1115150865 is about 33393.8746628779. The cubic root of 1115150865 is about 1036.9978959118.

Adding to 1115150865 its reverse (5680515111), we get a palindrome (6795665976).

The spelling of 1115150865 in words is "one billion, one hundred fifteen million, one hundred fifty thousand, eight hundred sixty-five".