1115132112 has 60 divisors (see below), whose sum is σ = 3151761444. Its totient is φ = 368025600.

The previous prime is 1115132071. The next prime is 1115132143. The reversal of 1115132112 is 2112315111.

It can be written as a sum of positive squares in 2 ways, for example, as 574848576 + 540283536 = 23976^2 + 23244^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 23793 + ... + 52880.

Almost surely, 2^1115132112 is an apocalyptic number.

1115132112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1115132112 is an abundant number, since it is smaller than the sum of its proper divisors (2036629332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115132112 is a wasteful number, since it uses less digits than its factorization.

1115132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76788 (or 76779 counting only the distinct ones).

The product of its digits is 60, while the sum is 18.

The square root of 1115132112 is about 33393.5938766704. The cubic root of 1115132112 is about 1036.9920829672.

Adding to 1115132112 its reverse (2112315111), we get a palindrome (3227447223).

The spelling of 1115132112 in words is "one billion, one hundred fifteen million, one hundred thirty-two thousand, one hundred twelve".