11453315173 has 2 divisors, whose sum is σ = 11453315174. Its totient is φ = 11453315172.

The previous prime is 11453315171. The next prime is 11453315231. The reversal of 11453315173 is 37151335411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11283325729 + 169989444 = 106223^2 + 13038^2 .

It is a cyclic number.

It is not a de Polignac number, because 11453315173 - 2¹ = 11453315171 is a prime.

Together with 11453315171, 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 (11453315171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726657586 + 5726657587.

It is an arithmetic number, because the mean of its divisors is an integer number (5726657587).

Almost surely, 2^11453315173 is an apocalyptic number.

It is an amenable number.

11453315173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11453315173 is an equidigital number, since it uses as much as digits as its factorization.

11453315173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 34.

The spelling of 11453315173 in words is "eleven billion, four hundred fifty-three million, three hundred fifteen thousand, one hundred seventy-three".