11010606661 has 16 divisors (see below), whose sum is σ = 11247490800. Its totient is φ = 10777052160.

The previous prime is 11010606653. The next prime is 11010606683. The reversal of 11010606661 is 16660601011.

It can be written as a sum of positive squares in 8 ways, for example, as 10014004900 + 996601761 = 100070^2 + 31569^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010606661 - 2³ = 11010606653 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 (11010606601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3045691 + ... + 3049303.

It is an arithmetic number, because the mean of its divisors is an integer number (702968175).

Almost surely, 2^11010606661 is an apocalyptic number.

It is an amenable number.

11010606661 is a deficient number, since it is larger than the sum of its proper divisors (236884139).

11010606661 is a wasteful number, since it uses less digits than its factorization.

11010606661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 11010606661 in words is "eleven billion, ten million, six hundred six thousand, six hundred sixty-one".