11644101 has 16 divisors (see below), whose sum is σ = 19715200. Its totient is φ = 6653664.

The previous prime is 11644097. The next prime is 11644103. The reversal of 11644101 is 10144611.

11644101 is a `hidden beast` number, since 11 + 644 + 10 + 1 = 666.

11644101 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11644101 - 2² = 11644097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11644103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30616 + ... + 30993.

It is an arithmetic number, because the mean of its divisors is an integer number (1232200).

Almost surely, 2^11644101 is an apocalyptic number.

It is an amenable number.

11644101 is a deficient number, since it is larger than the sum of its proper divisors (8071099).

11644101 is an equidigital number, since it uses as much as digits as its factorization.

11644101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61625 (or 61619 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11644101 is about 3412.3453811125. The cubic root of 11644101 is about 226.6567486529.

Adding to 11644101 its reverse (10144611), we get a palindrome (21788712).

The spelling of 11644101 in words is "eleven million, six hundred forty-four thousand, one hundred one".