11171601 has 80 divisors (see below), whose sum is σ = 21605760. Its totient is φ = 5598720.

The previous prime is 11171599. The next prime is 11171617. The reversal of 11171601 is 10617111.

11171601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11171601 - 2¹ = 11171599 is a prime.

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (11171621) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 183111 + ... + 183171.

It is an arithmetic number, because the mean of its divisors is an integer number (270072).

Almost surely, 2^11171601 is an apocalyptic number.

It is an amenable number.

11171601 is a deficient number, since it is larger than the sum of its proper divisors (10434159).

11171601 is a wasteful number, since it uses less digits than its factorization.

11171601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 18.

The square root of 11171601 is about 3342.3945009529. The cubic root of 11171601 is about 223.5485233143.

Adding to 11171601 its reverse (10617111), we get a palindrome (21788712).

The spelling of 11171601 in words is "eleven million, one hundred seventy-one thousand, six hundred one".