1161011 has 2 divisors, whose sum is σ = 1161012. Its totient is φ = 1161010.

The previous prime is 1161007. The next prime is 1161031. The reversal of 1161011 is 1101611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1161011 - 2² = 1161007 is a prime.

It is a super-3 number, since 3×1161011³ = 4694942288443332993, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1160983 and 1161001.

It is not a weakly prime, because it can be changed into another prime (1161001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580505 + 580506.

It is an arithmetic number, because the mean of its divisors is an integer number (580506).

2^1161011 is an apocalyptic number.

1161011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161011 is an equidigital number, since it uses as much as digits as its factorization.

1161011 is an evil number, because the sum of its binary digits is even.

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

The square root of 1161011 is about 1077.5022041741. The cubic root of 1161011 is about 105.1022737432.

Adding to 1161011 its reverse (1101611), we get a palindrome (2262622).

The spelling of 1161011 in words is "one million, one hundred sixty-one thousand, eleven".