11057447 has 2 divisors, whose sum is σ = 11057448. Its totient is φ = 11057446.

The previous prime is 11057437. The next prime is 11057461. The reversal of 11057447 is 74475011.

11057447 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 a de Polignac number, because none of the positive numbers 2^k-11057447 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11057437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528723 + 5528724.

It is an arithmetic number, because the mean of its divisors is an integer number (5528724).

Almost surely, 2^11057447 is an apocalyptic number.

11057447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11057447 is an equidigital number, since it uses as much as digits as its factorization.

11057447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 11057447 is about 3325.2739736750. The cubic root of 11057447 is about 222.7844915377.

The spelling of 11057447 in words is "eleven million, fifty-seven thousand, four hundred forty-seven".