1161000011 has 2 divisors, whose sum is σ = 1161000012. Its totient is φ = 1161000010.

The previous prime is 1160999981. The next prime is 1161000017. The reversal of 1161000011 is 1100001611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161000011 - 2⁶ = 1160999947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1160999956 and 1161000001.

It is not a weakly prime, because it can be changed into another prime (1161000017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580500005 + 580500006.

It is an arithmetic number, because the mean of its divisors is an integer number (580500006).

Almost surely, 2^1161000011 is an apocalyptic number.

1161000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161000011 is an equidigital number, since it uses as much as digits as its factorization.

1161000011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1161000011 is about 34073.4502362176. The cubic root of 1161000011 is about 1051.0194214353.

Adding to 1161000011 its reverse (1100001611), we get a palindrome (2261001622).

The spelling of 1161000011 in words is "one billion, one hundred sixty-one million, eleven", and thus it is an aban number.