11415091 has 2 divisors, whose sum is σ = 11415092. Its totient is φ = 11415090.

The previous prime is 11415077. The next prime is 11415119. The reversal of 11415091 is 19051411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11415091 - 2¹¹ = 11413043 is a prime.

It is not a weakly prime, because it can be changed into another prime (11415011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707545 + 5707546.

It is an arithmetic number, because the mean of its divisors is an integer number (5707546).

Almost surely, 2^11415091 is an apocalyptic number.

11415091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11415091 is an equidigital number, since it uses as much as digits as its factorization.

11415091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 11415091 is about 3378.6226483584. The cubic root of 11415091 is about 225.1609778040.

The spelling of 11415091 in words is "eleven million, four hundred fifteen thousand, ninety-one".