11001100100173 has 2 divisors, whose sum is σ = 11001100100174. Its totient is φ = 11001100100172.

The previous prime is 11001100100171. The next prime is 11001100100209. The reversal of 11001100100173 is 37100100110011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8162323292484 + 2838776807689 = 2856978^2 + 1684867^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001100100173 - 2¹ = 11001100100171 is a prime.

Together with 11001100100171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001100100171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500550050086 + 5500550050087.

It is an arithmetic number, because the mean of its divisors is an integer number (5500550050087).

Almost surely, 2^{11001100100173} is an apocalyptic number.

It is an amenable number.

11001100100173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001100100173 is an equidigital number, since it uses as much as digits as its factorization.

11001100100173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 16.

Adding to 11001100100173 its reverse (37100100110011), we get a palindrome (48101200210184).

The spelling of 11001100100173 in words is "eleven trillion, one billion, one hundred million, one hundred thousand, one hundred seventy-three".