1159832081 has 8 divisors (see below), whose sum is σ = 1192002240. Its totient is φ = 1127705328.

The previous prime is 1159832071. The next prime is 1159832083. The reversal of 1159832081 is 1802389511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1159832081 - 2¹⁸ = 1159569937 is a prime.

It is a super-2 number, since 2×1159832081² = 2690420912233581122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1159832083) 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, 47630 + ... + 67736.

It is an arithmetic number, because the mean of its divisors is an integer number (149000280).

Almost surely, 2^1159832081 is an apocalyptic number.

It is an amenable number.

1159832081 is a deficient number, since it is larger than the sum of its proper divisors (32170159).

1159832081 is a wasteful number, since it uses less digits than its factorization.

1159832081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21703.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 1159832081 is about 34056.3075068334. The cubic root of 1159832081 is about 1050.6668722116. Note that the first 3 decimals are identical.

The spelling of 1159832081 in words is "one billion, one hundred fifty-nine million, eight hundred thirty-two thousand, eighty-one".