1159809648 has 40 divisors (see below), whose sum is σ = 2997458448. Its totient is φ = 386437632.

The previous prime is 1159809643. The next prime is 1159809667. The reversal of 1159809648 is 8469089511.

It is a self number, because there is not a number n which added to its sum of digits gives 1159809648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159809643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167340 + ... + 174132.

Almost surely, 2^1159809648 is an apocalyptic number.

It is an amenable number.

1159809648 is an abundant number, since it is smaller than the sum of its proper divisors (1837648800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1159809648 is a wasteful number, since it uses less digits than its factorization.

1159809648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10361 (or 10355 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 51.

The square root of 1159809648 is about 34055.9781536223. The cubic root of 1159809648 is about 1050.6600983110.

The spelling of 1159809648 in words is "one billion, one hundred fifty-nine million, eight hundred nine thousand, six hundred forty-eight".