1159319544 has 32 divisors (see below), whose sum is σ = 2998242000. Its totient is φ = 373114112.

The previous prime is 1159319543. The next prime is 1159319569. The reversal of 1159319544 is 4459139511.

It is a junction number, because it is equal to n+sod(n) for n = 1159319496 and 1159319505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159319543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 832149 + ... + 833540.

Almost surely, 2^1159319544 is an apocalyptic number.

It is an amenable number.

1159319544 is an abundant number, since it is smaller than the sum of its proper divisors (1838922456).

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

1159319544 is a wasteful number, since it uses less digits than its factorization.

1159319544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665727 (or 1665723 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 1159319544 is about 34048.7818284296. The cubic root of 1159319544 is about 1050.5120840034.

The spelling of 1159319544 in words is "one billion, one hundred fifty-nine million, three hundred nineteen thousand, five hundred forty-four".