11643057 has 24 divisors (see below), whose sum is σ = 17428320. Its totient is φ = 7485120.

The previous prime is 11643041. The next prime is 11643089. The reversal of 11643057 is 75034611.

11643057 is a `hidden beast` number, since 11 + 643 + 0 + 5 + 7 = 666.

11643057 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 11643057 - 2⁴ = 11643041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11643057.

It is not an unprimeable number, because it can be changed into a prime (11643097) 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, 51178 + ... + 51404.

It is an arithmetic number, because the mean of its divisors is an integer number (726180).

Almost surely, 2^11643057 is an apocalyptic number.

It is an amenable number.

11643057 is a deficient number, since it is larger than the sum of its proper divisors (5785263).

11643057 is a wasteful number, since it uses less digits than its factorization.

11643057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 11643057 is about 3412.1924037193. The cubic root of 11643057 is about 226.6499745013.

Adding to 11643057 its reverse (75034611), we get a palindrome (86677668).

The spelling of 11643057 in words is "eleven million, six hundred forty-three thousand, fifty-seven".