11371091 has 2 divisors, whose sum is σ = 11371092. Its totient is φ = 11371090.

The previous prime is 11371081. The next prime is 11371109. The reversal of 11371091 is 19017311.

Together with next prime (11371109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11371091 - 2⁶ = 11371027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11371081) 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 as a sum of consecutive naturals, namely, 5685545 + 5685546.

It is an arithmetic number, because the mean of its divisors is an integer number (5685546).

Almost surely, 2^11371091 is an apocalyptic number.

11371091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11371091 is an equidigital number, since it uses as much as digits as its factorization.

11371091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 11371091 is about 3372.1048322969. The cubic root of 11371091 is about 224.8713074761.

The spelling of 11371091 in words is "eleven million, three hundred seventy-one thousand, ninety-one".