1115131300 has 36 divisors (see below), whose sum is σ = 2421286000. Its totient is φ = 445785120.

The previous prime is 1115131249. The next prime is 1115131307. The reversal of 1115131300 is 31315111.

It is not an unprimeable number, because it can be changed into a prime (1115131307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316951 + ... + 320449.

Almost surely, 2^1115131300 is an apocalyptic number.

1115131300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115131300 is an abundant number, since it is smaller than the sum of its proper divisors (1306154700).

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

1115131300 is a wasteful number, since it uses less digits than its factorization.

1115131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700 (or 6693 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1115131300 is about 33393.5817186477. The cubic root of 1115131300 is about 1036.9918312667.

Adding to 1115131300 its reverse (31315111), we get a palindrome (1146446411).

The spelling of 1115131300 in words is "one billion, one hundred fifteen million, one hundred thirty-one thousand, three hundred".