11201663 has 8 divisors (see below), whose sum is σ = 12403200. Its totient is φ = 10030680.

The previous prime is 11201653. The next prime is 11201669. The reversal of 11201663 is 36610211.

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

It is not a de Polignac number, because 11201663 - 2¹⁰ = 11200639 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 (11201669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6863 + ... + 8336.

It is an arithmetic number, because the mean of its divisors is an integer number (1550400).

Almost surely, 2^11201663 is an apocalyptic number.

11201663 is a deficient number, since it is larger than the sum of its proper divisors (1201537).

11201663 is a wasteful number, since it uses less digits than its factorization.

11201663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15277.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11201663 is about 3346.8885550613. Note that the first 3 decimals coincide. The cubic root of 11201663 is about 223.7488615570.

Adding to 11201663 its reverse (36610211), we get a palindrome (47811874).

The spelling of 11201663 in words is "eleven million, two hundred one thousand, six hundred sixty-three".