1159068861 has 12 divisors (see below), whose sum is σ = 1674953280. Its totient is φ = 772369800.

The previous prime is 1159068853. The next prime is 1159068863. The reversal of 1159068861 is 1688609511.

It is not a de Polignac number, because 1159068861 - 2³ = 1159068853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159068863) 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, 6231 + ... + 48548.

It is an arithmetic number, because the mean of its divisors is an integer number (139579440).

Almost surely, 2^1159068861 is an apocalyptic number.

It is an amenable number.

1159068861 is a deficient number, since it is larger than the sum of its proper divisors (515884419).

1159068861 is a wasteful number, since it uses less digits than its factorization.

1159068861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57136 (or 57133 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 1159068861 is about 34045.1003963860. The cubic root of 1159068861 is about 1050.4363601285.

It can be divided in two parts, 1159068 and 861, that added together give a square (1159929 = 1077²).

The spelling of 1159068861 in words is "one billion, one hundred fifty-nine million, sixty-eight thousand, eight hundred sixty-one".