1161839852 has 12 divisors (see below), whose sum is σ = 2039255400. Its totient is φ = 579195456.

The previous prime is 1161839851. The next prime is 1161839869. The reversal of 1161839852 is 2589381611.

It is not an unprimeable number, because it can be changed into a prime (1161839851) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 429602 + ... + 432297.

It is an arithmetic number, because the mean of its divisors is an integer number (169937950).

Almost surely, 2^1161839852 is an apocalyptic number.

It is an amenable number.

1161839852 is a deficient number, since it is larger than the sum of its proper divisors (877415548).

1161839852 is a wasteful number, since it uses less digits than its factorization.

1161839852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862240 (or 862238 counting only the distinct ones).

The product of its digits is 103680, while the sum is 44.

The square root of 1161839852 is about 34085.7719877371. The cubic root of 1161839852 is about 1051.2727881996.

The spelling of 1161839852 in words is "one billion, one hundred sixty-one million, eight hundred thirty-nine thousand, eight hundred fifty-two".