1160155161 has 12 divisors (see below), whose sum is σ = 1828123440. Its totient is φ = 703124280.

The previous prime is 1160155133. The next prime is 1160155163. The reversal of 1160155161 is 1615510611.

1160155161 is a `hidden beast` number, since 1 + 1 + 601 + 5 + 51 + 6 + 1 = 666.

It is not a de Polignac number, because 1160155161 - 2¹³ = 1160146969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1160155163) 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 11 ways as a sum of consecutive naturals, for example, 5859271 + ... + 5859468.

It is an arithmetic number, because the mean of its divisors is an integer number (152343620).

Almost surely, 2^1160155161 is an apocalyptic number.

1160155161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1160155161 is a deficient number, since it is larger than the sum of its proper divisors (667968279).

1160155161 is a wasteful number, since it uses less digits than its factorization.

1160155161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11718756 (or 11718753 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The square root of 1160155161 is about 34061.0504975992. The cubic root of 1160155161 is about 1050.7644202231.

Adding to 1160155161 its reverse (1615510611), we get a palindrome (2775665772).

The spelling of 1160155161 in words is "one billion, one hundred sixty million, one hundred fifty-five thousand, one hundred sixty-one".