11055391 has 2 divisors, whose sum is σ = 11055392. Its totient is φ = 11055390.

The previous prime is 11055379. The next prime is 11055419. The reversal of 11055391 is 19355011.

11055391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11055391 - 2⁷ = 11055263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11055311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527695 + 5527696.

It is an arithmetic number, because the mean of its divisors is an integer number (5527696).

Almost surely, 2^11055391 is an apocalyptic number.

11055391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11055391 is an equidigital number, since it uses as much as digits as its factorization.

11055391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 11055391 is about 3324.9648118439. The cubic root of 11055391 is about 222.7706826448.

The spelling of 11055391 in words is "eleven million, fifty-five thousand, three hundred ninety-one".