1163172275 has 12 divisors (see below), whose sum is σ = 1444115904. Its totient is φ = 929388000.

The previous prime is 1163172259. The next prime is 1163172277. The reversal of 1163172275 is 5722713611.

It is not a de Polignac number, because 1163172275 - 2⁴ = 1163172259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163172277) 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, 7811 + ... + 48860.

It is an arithmetic number, because the mean of its divisors is an integer number (120342992).

Almost surely, 2^1163172275 is an apocalyptic number.

1163172275 is a deficient number, since it is larger than the sum of its proper divisors (280943629).

1163172275 is an equidigital number, since it uses as much as digits as its factorization.

1163172275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57502 (or 57497 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 1163172275 is about 34105.3115364748. The cubic root of 1163172275 is about 1051.6745087737.

Adding to 1163172275 its reverse (5722713611), we get a palindrome (6885885886).

The spelling of 1163172275 in words is "one billion, one hundred sixty-three million, one hundred seventy-two thousand, two hundred seventy-five".