1159857768 has 32 divisors (see below), whose sum is σ = 2901571200. Its totient is φ = 386362368.

The previous prime is 1159857767. The next prime is 1159857779. The reversal of 1159857768 is 8677589511.

It is not an unprimeable number, because it can be changed into a prime (1159857767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22728 + ... + 53256.

It is an arithmetic number, because the mean of its divisors is an integer number (90674100).

Almost surely, 2^1159857768 is an apocalyptic number.

It is an amenable number.

1159857768 is an abundant number, since it is smaller than the sum of its proper divisors (1741713432).

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

1159857768 is a wasteful number, since it uses less digits than its factorization.

1159857768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32121 (or 32117 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 57.

The square root of 1159857768 is about 34056.6846301868. The cubic root of 1159857768 is about 1050.6746285875.

It can be divided in two parts, 115985 and 7768, that added together give a triangular number (123753 = T₄₉₇).

The spelling of 1159857768 in words is "one billion, one hundred fifty-nine million, eight hundred fifty-seven thousand, seven hundred sixty-eight".