1131532415 has 8 divisors (see below), whose sum is σ = 1462288128. Its totient is φ = 835593120.

The previous prime is 1131532399. The next prime is 1131532417. The reversal of 1131532415 is 5142351311.

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

It is not a de Polignac number, because 1131532415 - 2⁴ = 1131532399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131532417) 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, 8704031 + ... + 8704160.

It is an arithmetic number, because the mean of its divisors is an integer number (182786016).

Almost surely, 2^1131532415 is an apocalyptic number.

1131532415 is a deficient number, since it is larger than the sum of its proper divisors (330755713).

1131532415 is a wasteful number, since it uses less digits than its factorization.

1131532415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17408209.

The product of its digits is 1800, while the sum is 26.

The square root of 1131532415 is about 33638.2582040153. The cubic root of 1131532415 is about 1042.0510604667.

Adding to 1131532415 its reverse (5142351311), we get a palindrome (6273883726).

The spelling of 1131532415 in words is "one billion, one hundred thirty-one million, five hundred thirty-two thousand, four hundred fifteen".