1131532115 has 8 divisors (see below), whose sum is σ = 1551815520. Its totient is φ = 775907712.

The previous prime is 1131532093. The next prime is 1131532117. The reversal of 1131532115 is 5112351311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131532115 - 2¹⁰ = 1131531091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131532117) 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, 16164710 + ... + 16164779.

It is an arithmetic number, because the mean of its divisors is an integer number (193976940).

Almost surely, 2^1131532115 is an apocalyptic number.

1131532115 is a deficient number, since it is larger than the sum of its proper divisors (420283405).

1131532115 is an equidigital number, since it uses as much as digits as its factorization.

1131532115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32329501.

The product of its digits is 450, while the sum is 23.

The square root of 1131532115 is about 33638.2537448067. The cubic root of 1131532115 is about 1042.0509683747.

Adding to 1131532115 its reverse (5112351311), we get a palindrome (6243883426).

The spelling of 1131532115 in words is "one billion, one hundred thirty-one million, five hundred thirty-two thousand, one hundred fifteen".