11097871 has 2 divisors, whose sum is σ = 11097872. Its totient is φ = 11097870.

The previous prime is 11097773. The next prime is 11097887. The reversal of 11097871 is 17879011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11097871 - 2¹¹ = 11095823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11097071) 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, 5548935 + 5548936.

It is an arithmetic number, because the mean of its divisors is an integer number (5548936).

Almost surely, 2^11097871 is an apocalyptic number.

11097871 is a deficient number, since it is larger than the sum of its proper divisors (1).

11097871 is an equidigital number, since it uses as much as digits as its factorization.

11097871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 11097871 is about 3331.3467246746. The cubic root of 11097871 is about 223.0556477987.

The spelling of 11097871 in words is "eleven million, ninety-seven thousand, eight hundred seventy-one".