11119661 has 4 divisors (see below), whose sum is σ = 12708192. Its totient is φ = 9531132.

The previous prime is 11119657. The next prime is 11119679. The reversal of 11119661 is 16691111.

11119661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11119661 - 2² = 11119657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11119661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11119601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794255 + ... + 794268.

It is an arithmetic number, because the mean of its divisors is an integer number (3177048).

Almost surely, 2^11119661 is an apocalyptic number.

It is an amenable number.

11119661 is a deficient number, since it is larger than the sum of its proper divisors (1588531).

11119661 is an equidigital number, since it uses as much as digits as its factorization.

11119661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588530.

The product of its digits is 324, while the sum is 26.

The square root of 11119661 is about 3334.6155700470. The cubic root of 11119661 is about 223.2015377930.

The spelling of 11119661 in words is "eleven million, one hundred nineteen thousand, six hundred sixty-one".