11663411 has 8 divisors (see below), whose sum is σ = 12471264. Its totient is φ = 10869120.

The previous prime is 11663401. The next prime is 11663413. The reversal of 11663411 is 11436611.

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

It is not a de Polignac number, because 11663411 - 2¹⁸ = 11401267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11663413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580 + ... + 5081.

It is an arithmetic number, because the mean of its divisors is an integer number (1558908).

Almost surely, 2^11663411 is an apocalyptic number.

11663411 is a deficient number, since it is larger than the sum of its proper divisors (807853).

11663411 is a wasteful number, since it uses less digits than its factorization.

11663411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6781.

The product of its digits is 432, while the sum is 23.

The square root of 11663411 is about 3415.1736412663. The cubic root of 11663411 is about 226.7819715634.

The spelling of 11663411 in words is "eleven million, six hundred sixty-three thousand, four hundred eleven".