11235663 has 6 divisors (see below), whose sum is σ = 16229304. Its totient is φ = 7490436.

The previous prime is 11235659. The next prime is 11235667. The reversal of 11235663 is 36653211.

It is an interprime number because it is at equal distance from previous prime (11235659) and next prime (11235667).

It is not a de Polignac number, because 11235663 - 2² = 11235659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11235667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624195 + ... + 624212.

It is an arithmetic number, because the mean of its divisors is an integer number (2704884).

Almost surely, 2^11235663 is an apocalyptic number.

11235663 is a deficient number, since it is larger than the sum of its proper divisors (4993641).

11235663 is a wasteful number, since it uses less digits than its factorization.

11235663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248413 (or 1248410 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 11235663 is about 3351.9640511199. The cubic root of 11235663 is about 223.9750118278.

Adding to 11235663 its reverse (36653211), we get a palindrome (47888874).

It can be divided in two parts, 1123 and 5663, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 11235663 in words is "eleven million, two hundred thirty-five thousand, six hundred sixty-three".