11201601 has 8 divisors (see below), whose sum is σ = 14976000. Its totient is φ = 7447472.

The previous prime is 11201591. The next prime is 11201609. The reversal of 11201601 is 10610211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11201601 - 2⁶ = 11201537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11201609) 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 7 ways as a sum of consecutive naturals, for example, 3726 + ... + 6023.

It is an arithmetic number, because the mean of its divisors is an integer number (1872000).

Almost surely, 2^11201601 is an apocalyptic number.

It is an amenable number.

11201601 is a deficient number, since it is larger than the sum of its proper divisors (3774399).

11201601 is an equidigital number, since it uses as much as digits as its factorization.

11201601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10135.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 11201601 is about 3346.8792927143. The cubic root of 11201601 is about 223.7484487476.

Adding to 11201601 its reverse (10610211), we get a palindrome (21811812).

The spelling of 11201601 in words is "eleven million, two hundred one thousand, six hundred one".