1115133225 has 24 divisors (see below), whose sum is σ = 1848548352. Its totient is φ = 593169600.

The previous prime is 1115133191. The next prime is 1115133287. The reversal of 1115133225 is 5223315111.

It is not a de Polignac number, because 1115133225 - 2¹¹ = 1115131177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1115133195 and 1115133204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9315 + ... + 48135.

It is an arithmetic number, because the mean of its divisors is an integer number (77022848).

Almost surely, 2^1115133225 is an apocalyptic number.

1115133225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115133225 is a deficient number, since it is larger than the sum of its proper divisors (733415127).

1115133225 is a wasteful number, since it uses less digits than its factorization.

1115133225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39217 (or 39212 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 1115133225 is about 33393.6105415392. The cubic root of 1115133225 is about 1036.9924279702.

Adding to 1115133225 its reverse (5223315111), we get a palindrome (6338448336).

The spelling of 1115133225 in words is "one billion, one hundred fifteen million, one hundred thirty-three thousand, two hundred twenty-five".