1105512225 has 24 divisors (see below), whose sum is σ = 1829710272. Its totient is φ = 588984000.

The previous prime is 1105512209. The next prime is 1105512257. The reversal of 1105512225 is 5222155011.

It is not a de Polignac number, because 1105512225 - 2⁴ = 1105512209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1105512195 and 1105512204.

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 23 ways as a sum of consecutive naturals, for example, 68700 + ... + 83250.

It is an arithmetic number, because the mean of its divisors is an integer number (76237928).

Almost surely, 2^1105512225 is an apocalyptic number.

1105512225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105512225 is a deficient number, since it is larger than the sum of its proper divisors (724198047).

1105512225 is a wasteful number, since it uses less digits than its factorization.

1105512225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15577 (or 15572 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1105512225 is about 33249.2439763673. The cubic root of 1105512225 is about 1034.0015342297.

Adding to 1105512225 its reverse (5222155011), we get a palindrome (6327667236).

The spelling of 1105512225 in words is "one billion, one hundred five million, five hundred twelve thousand, two hundred twenty-five".