2211664254005 has 8 divisors (see below), whose sum is σ = 2670901545912. Its totient is φ = 1758061775808.

The previous prime is 2211664253977. The next prime is 2211664254011. The reversal of 2211664254005 is 5004524661122.

It can be written as a sum of positive squares in 4 ways, for example, as 34856143204 + 2176808110801 = 186698^2 + 1475401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2211664254005 - 2⁶ = 2211664253941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211664254005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408702562 + ... + 1408704131.

It is an arithmetic number, because the mean of its divisors is an integer number (333862693239).

Almost surely, 2^{2211664254005} is an apocalyptic number.

It is an amenable number.

2211664254005 is a deficient number, since it is larger than the sum of its proper divisors (459237291907).

2211664254005 is a wasteful number, since it uses less digits than its factorization.

2211664254005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817406855.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 2211664254005 in words is "two trillion, two hundred eleven billion, six hundred sixty-four million, two hundred fifty-four thousand, five".