11030661 has 20 divisors (see below), whose sum is σ = 16866432. Its totient is φ = 7180488.

The previous prime is 11030651. The next prime is 11030687. The reversal of 11030661 is 16603011.

11030661 is a `hidden beast` number, since 1 + 1 + 0 + 3 + 0 + 661 = 666.

It is not a de Polignac number, because 11030661 - 2⁵ = 11030629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030641) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1900 + ... + 5066.

Almost surely, 2^11030661 is an apocalyptic number.

It is an amenable number.

11030661 is a deficient number, since it is larger than the sum of its proper divisors (5835771).

11030661 is an equidigital number, since it uses as much as digits as its factorization.

11030661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222 (or 3213 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 11030661 is about 3321.2438934833. The cubic root of 11030661 is about 222.6044520727.

Adding to 11030661 its reverse (16603011), we get a palindrome (27633672).

The spelling of 11030661 in words is "eleven million, thirty thousand, six hundred sixty-one".