1159632889 has 16 divisors (see below), whose sum is σ = 1231816320. Its totient is φ = 1089728640.

The previous prime is 1159632857. The next prime is 1159632893. The reversal of 1159632889 is 9882369511.

It is a cyclic number.

It is not a de Polignac number, because 1159632889 - 2⁵ = 1159632857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1159632589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649492 + ... + 651274.

It is an arithmetic number, because the mean of its divisors is an integer number (76988520).

Almost surely, 2^1159632889 is an apocalyptic number.

It is an amenable number.

1159632889 is a deficient number, since it is larger than the sum of its proper divisors (72183431).

1159632889 is a wasteful number, since it uses less digits than its factorization.

1159632889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400.

The product of its digits is 933120, while the sum is 52.

The square root of 1159632889 is about 34053.3829303345. The cubic root of 1159632889 is about 1050.6067208555.

The spelling of 1159632889 in words is "one billion, one hundred fifty-nine million, six hundred thirty-two thousand, eight hundred eighty-nine".