11006651 has 4 divisors (see below), whose sum is σ = 11018832. Its totient is φ = 10994472.

The previous prime is 11006647. The next prime is 11006659. The reversal of 11006651 is 15660011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15660011 = 2351 ⋅6661.

It is a cyclic number.

It is not a de Polignac number, because 11006651 - 2² = 11006647 is a prime.

It is a super-2 number, since 2×11006651² = 242292732471602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11006659) 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, 4616 + ... + 6581.

It is an arithmetic number, because the mean of its divisors is an integer number (2754708).

Almost surely, 2^11006651 is an apocalyptic number.

11006651 is a deficient number, since it is larger than the sum of its proper divisors (12181).

11006651 is an equidigital number, since it uses as much as digits as its factorization.

11006651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 11006651 is about 3317.6273148140. The cubic root of 11006651 is about 222.4428233339.

Adding to 11006651 its reverse (15660011), we get a palindrome (26666662).

The spelling of 11006651 in words is "eleven million, six thousand, six hundred fifty-one".