11896111 has 4 divisors (see below), whose sum is σ = 12097800. Its totient is φ = 11694424.

The previous prime is 11896099. The next prime is 11896127. The reversal of 11896111 is 11169811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11896111 - 2¹³ = 11887919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11896111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11896211) 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 3 ways as a sum of consecutive naturals, for example, 100756 + ... + 100873.

It is an arithmetic number, because the mean of its divisors is an integer number (3024450).

Almost surely, 2^11896111 is an apocalyptic number.

11896111 is a deficient number, since it is larger than the sum of its proper divisors (201689).

11896111 is an equidigital number, since it uses as much as digits as its factorization.

11896111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201688.

The product of its digits is 432, while the sum is 28.

The square root of 11896111 is about 3449.0739336813. The cubic root of 11896111 is about 228.2802481360.

The spelling of 11896111 in words is "eleven million, eight hundred ninety-six thousand, one hundred eleven".