11889611 has 8 divisors (see below), whose sum is σ = 12632400. Its totient is φ = 11158560.

The previous prime is 11889607. The next prime is 11889641. The reversal of 11889611 is 11698811.

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

It is a cyclic number.

It is not a de Polignac number, because 11889611 - 2² = 11889607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11889641) 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, 800 + ... + 4941.

It is an arithmetic number, because the mean of its divisors is an integer number (1579050).

Almost surely, 2^11889611 is an apocalyptic number.

11889611 is a deficient number, since it is larger than the sum of its proper divisors (742789).

11889611 is a wasteful number, since it uses less digits than its factorization.

11889611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869.

The product of its digits is 3456, while the sum is 35.

The square root of 11889611 is about 3448.1315230136. The cubic root of 11889611 is about 228.2386633428.

The spelling of 11889611 in words is "eleven million, eight hundred eighty-nine thousand, six hundred eleven".