1163112225 has 24 divisors (see below), whose sum is σ = 2097832992. Its totient is φ = 563932800.

The previous prime is 1163112211. The next prime is 1163112233. The reversal of 1163112225 is 5222113611.

It is a happy number.

It is not a de Polignac number, because 1163112225 - 2¹¹ = 1163110177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1163112195 and 1163112204.

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, 704092 + ... + 705741.

It is an arithmetic number, because the mean of its divisors is an integer number (87409708).

Almost surely, 2^1163112225 is an apocalyptic number.

1163112225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163112225 is a deficient number, since it is larger than the sum of its proper divisors (934720767).

1163112225 is a wasteful number, since it uses less digits than its factorization.

1163112225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409857 (or 1409852 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 1163112225 is about 34104.4311637066. The cubic root of 1163112225 is about 1051.6564105256.

Adding to 1163112225 its reverse (5222113611), we get a palindrome (6385225836).

The spelling of 1163112225 in words is "one billion, one hundred sixty-three million, one hundred twelve thousand, two hundred twenty-five".