91160011 has 2 divisors, whose sum is σ = 91160012. Its totient is φ = 91160010.

The previous prime is 91159973. The next prime is 91160051. The reversal of 91160011 is 11006119.

It is a weak prime.

It is an emirp because it is prime and its reverse (11006119) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91160011 - 2¹⁷ = 91028939 is a prime.

It is not a weakly prime, because it can be changed into another prime (91160051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45580005 + 45580006.

It is an arithmetic number, because the mean of its divisors is an integer number (45580006).

Almost surely, 2^91160011 is an apocalyptic number.

91160011 is a deficient number, since it is larger than the sum of its proper divisors (1).

91160011 is an equidigital number, since it uses as much as digits as its factorization.

91160011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 91160011 is about 9547.7751858745. The cubic root of 91160011 is about 450.0576238965.

The spelling of 91160011 in words is "ninety-one million, one hundred sixty thousand, eleven".