1163171825 has 12 divisors (see below), whose sum is σ = 1443621888. Its totient is φ = 929706000.

The previous prime is 1163171819. The next prime is 1163171827. The reversal of 1163171825 is 5281713611.

1163171825 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1163171825 - 2¹² = 1163167729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1163171827) 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, 8564 + ... + 48986.

It is an arithmetic number, because the mean of its divisors is an integer number (120301824).

Almost surely, 2^1163171825 is an apocalyptic number.

It is an amenable number.

1163171825 is a deficient number, since it is larger than the sum of its proper divisors (280450063).

1163171825 is a wasteful number, since it uses less digits than its factorization.

1163171825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41584 (or 41579 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 1163171825 is about 34105.3049392613. The cubic root of 1163171825 is about 1051.6743731521.

The spelling of 1163171825 in words is "one billion, one hundred sixty-three million, one hundred seventy-one thousand, eight hundred twenty-five".