1116052161 has 16 divisors (see below), whose sum is σ = 1774593024. Its totient is φ = 610015824.

The previous prime is 1116052139. The next prime is 1116052169. The reversal of 1116052161 is 1612506111.

It is not a de Polignac number, because 1116052161 - 2⁵ = 1116052129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1116052169) 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, 1154851 + ... + 1155816.

It is an arithmetic number, because the mean of its divisors is an integer number (110912064).

Almost surely, 2^1116052161 is an apocalyptic number.

It is an amenable number.

1116052161 is a deficient number, since it is larger than the sum of its proper divisors (658540863).

1116052161 is a wasteful number, since it uses less digits than its factorization.

1116052161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310700.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 1116052161 is about 33407.3668672046. The cubic root of 1116052161 is about 1037.2771975431.

Adding to 1116052161 its reverse (1612506111), we get a palindrome (2728558272).

The spelling of 1116052161 in words is "one billion, one hundred sixteen million, fifty-two thousand, one hundred sixty-one".