1159197808 has 10 divisors (see below), whose sum is σ = 2245945784. Its totient is φ = 579598896.

The previous prime is 1159197803. The next prime is 1159197817. The reversal of 1159197808 is 8087919511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159197803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36224916 + ... + 36224947.

Almost surely, 2^1159197808 is an apocalyptic number.

It is an amenable number.

1159197808 is a deficient number, since it is larger than the sum of its proper divisors (1086747976).

1159197808 is an equidigital number, since it uses as much as digits as its factorization.

1159197808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72449871 (or 72449865 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 49.

The square root of 1159197808 is about 34046.9941110812. The cubic root of 1159197808 is about 1050.4753125437.

The spelling of 1159197808 in words is "one billion, one hundred fifty-nine million, one hundred ninety-seven thousand, eight hundred eight".