1131548008 has 16 divisors (see below), whose sum is σ = 2122009380. Its totient is φ = 565678848.

The previous prime is 1131547993. The next prime is 1131548017. The reversal of 1131548008 is 8008451311.

It can be written as a sum of positive squares in 2 ways, for example, as 1120776484 + 10771524 = 33478^2 + 3282^2 .

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 3 ways as a sum of consecutive naturals, for example, 87360 + ... + 99472.

Almost surely, 2^1131548008 is an apocalyptic number.

It is an amenable number.

1131548008 is a deficient number, since it is larger than the sum of its proper divisors (990461372).

1131548008 is a wasteful number, since it uses less digits than its factorization.

1131548008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23796 (or 23792 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1131548008 is about 33638.4899779999. The cubic root of 1131548008 is about 1042.0558470810.

Adding to 1131548008 its reverse (8008451311), we get a palindrome (9139999319).

The spelling of 1131548008 in words is "one billion, one hundred thirty-one million, five hundred forty-eight thousand, eight".