11166706220709 has 16 divisors (see below), whose sum is σ = 16077934890752. Its totient is φ = 6853094900928.

The previous prime is 11166706220671. The next prime is 11166706220711. The reversal of 11166706220709 is 90702260766111.

It is not a de Polignac number, because 11166706220709 - 2⁷ = 11166706220581 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11166706120709) 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, 390075334 + ... + 390103959.

It is an arithmetic number, because the mean of its divisors is an integer number (1004870930672).

Almost surely, 2^{11166706220709} is an apocalyptic number.

It is an amenable number.

11166706220709 is a deficient number, since it is larger than the sum of its proper divisors (4911228670043).

11166706220709 is a wasteful number, since it uses less digits than its factorization.

11166706220709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780179676.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 11166706220709 in words is "eleven trillion, one hundred sixty-six billion, seven hundred six million, two hundred twenty thousand, seven hundred nine".