1161043105 has 8 divisors (see below), whose sum is σ = 1453828032. Its totient is φ = 888450288.

The previous prime is 1161043061. The next prime is 1161043157. The reversal of 1161043105 is 5013401611.

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 1161043105 - 2¹⁵ = 1161010337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5047899 + ... + 5048128.

It is an arithmetic number, because the mean of its divisors is an integer number (181728504).

Almost surely, 2^1161043105 is an apocalyptic number.

It is an amenable number.

1161043105 is a deficient number, since it is larger than the sum of its proper divisors (292784927).

1161043105 is a wasteful number, since it uses less digits than its factorization.

1161043105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096055.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1161043105 is about 34074.0825995360. The cubic root of 1161043105 is about 1051.0324251879.

Adding to 1161043105 its reverse (5013401611), we get a palindrome (6174444716).

The spelling of 1161043105 in words is "one billion, one hundred sixty-one million, forty-three thousand, one hundred five".