1161043104 has 48 divisors (see below), whose sum is σ = 3282183072. Its totient is φ = 357243648.

The previous prime is 1161043061. The next prime is 1161043157. The reversal of 1161043104 is 4013401611.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463914 + ... + 466409.

It is an arithmetic number, because the mean of its divisors is an integer number (68378814).

Almost surely, 2^1161043104 is an apocalyptic number.

It is an amenable number.

1161043104 is an abundant number, since it is smaller than the sum of its proper divisors (2121139968).

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

1161043104 is a wasteful number, since it uses less digits than its factorization.

1161043104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930349 (or 930341 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1161043104 is about 34074.0825848621. The cubic root of 1161043104 is about 1051.0324248861.

Adding to 1161043104 its reverse (4013401611), we get a palindrome (5174444715).

The spelling of 1161043104 in words is "one billion, one hundred sixty-one million, forty-three thousand, one hundred four".