1165037159 has 12 divisors (see below), whose sum is σ = 1376237592. Its totient is φ = 977652000.

The previous prime is 1165037143. The next prime is 1165037171. The reversal of 1165037159 is 9517305611.

It is not a de Polignac number, because 1165037159 - 2⁴ = 1165037143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165037179) 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, 311492 + ... + 315209.

It is an arithmetic number, because the mean of its divisors is an integer number (114686466).

Almost surely, 2^1165037159 is an apocalyptic number.

1165037159 is a deficient number, since it is larger than the sum of its proper divisors (211200433).

1165037159 is a wasteful number, since it uses less digits than its factorization.

1165037159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626738 (or 626725 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 1165037159 is about 34132.6406684276. The cubic root of 1165037159 is about 1052.2362495116.

The spelling of 1165037159 in words is "one billion, one hundred sixty-five million, thirty-seven thousand, one hundred fifty-nine".