1150231115 has 8 divisors (see below), whose sum is σ = 1505757168. Its totient is φ = 836531680.

The previous prime is 1150231091. The next prime is 1150231133. The reversal of 1150231115 is 5111320511.

It is a happy number.

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

It is not a de Polignac number, because 1150231115 - 2²⁰ = 1149182539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10456592 + ... + 10456701.

It is an arithmetic number, because the mean of its divisors is an integer number (188219646).

Almost surely, 2^1150231115 is an apocalyptic number.

1150231115 is a deficient number, since it is larger than the sum of its proper divisors (355526053).

1150231115 is a wasteful number, since it uses less digits than its factorization.

1150231115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20913309.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1150231115 is about 33915.0573492070. The cubic root of 1150231115 is about 1047.7597330418.

Adding to 1150231115 its reverse (5111320511), we get a palindrome (6261551626).

The spelling of 1150231115 in words is "one billion, one hundred fifty million, two hundred thirty-one thousand, one hundred fifteen".