1163643125 has 80 divisors (see below), whose sum is σ = 1649472000. Its totient is φ = 816480000.

The previous prime is 1163643109. The next prime is 1163643133. The reversal of 1163643125 is 5213463611.

It is not a de Polignac number, because 1163643125 - 2⁴ = 1163643109 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1163643091 and 1163643100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10675571 + ... + 10675679.

It is an arithmetic number, because the mean of its divisors is an integer number (20618400).

Almost surely, 2^1163643125 is an apocalyptic number.

It is an amenable number.

1163643125 is a deficient number, since it is larger than the sum of its proper divisors (485828875).

1163643125 is a wasteful number, since it uses less digits than its factorization.

1163643125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 193 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 1163643125 is about 34112.2137217742. The cubic root of 1163643125 is about 1051.8163949333.

The spelling of 1163643125 in words is "one billion, one hundred sixty-three million, six hundred forty-three thousand, one hundred twenty-five".