11106516661 has 16 divisors (see below), whose sum is σ = 11524957696. Its totient is φ = 10692000000.

The previous prime is 11106516637. The next prime is 11106516689. The reversal of 11106516661 is 16661560111.

It is a cyclic number.

It is not a de Polignac number, because 11106516661 - 2¹⁵ = 11106483893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11106516761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6165961 + ... + 6167761.

It is an arithmetic number, because the mean of its divisors is an integer number (720309856).

Almost surely, 2^11106516661 is an apocalyptic number.

It is an amenable number.

11106516661 is a deficient number, since it is larger than the sum of its proper divisors (418441035).

11106516661 is a wasteful number, since it uses less digits than its factorization.

11106516661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 11106516661 in words is "eleven billion, one hundred six million, five hundred sixteen thousand, six hundred sixty-one".