11409057 has 24 divisors (see below), whose sum is σ = 19038240. Its totient is φ = 6506880.

The previous prime is 11409017. The next prime is 11409059. The reversal of 11409057 is 75090411.

11409057 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11409057 - 2⁶ = 11408993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11409057.

It is not an unprimeable number, because it can be changed into a prime (11409059) 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 in 23 ways as a sum of consecutive naturals, for example, 1707 + ... + 5072.

It is an arithmetic number, because the mean of its divisors is an integer number (793260).

Almost surely, 2^11409057 is an apocalyptic number.

11409057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11409057 is a deficient number, since it is larger than the sum of its proper divisors (7629183).

11409057 is a wasteful number, since it uses less digits than its factorization.

11409057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813 (or 6810 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 11409057 is about 3377.7295628869. The cubic root of 11409057 is about 225.1212975597.

Adding to 11409057 its reverse (75090411), we get a palindrome (86499468).

The spelling of 11409057 in words is "eleven million, four hundred nine thousand, fifty-seven".