11137443173 has 2 divisors, whose sum is σ = 11137443174. Its totient is φ = 11137443172.

The previous prime is 11137443133. The next prime is 11137443221. The reversal of 11137443173 is 37134473111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6773783809 + 4363659364 = 82303^2 + 66058^2 .

It is an emirp because it is prime and its reverse (37134473111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11137443173 - 2¹² = 11137439077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11137443133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5568721586 + 5568721587.

It is an arithmetic number, because the mean of its divisors is an integer number (5568721587).

Almost surely, 2^11137443173 is an apocalyptic number.

It is an amenable number.

11137443173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11137443173 is an equidigital number, since it uses as much as digits as its factorization.

11137443173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The spelling of 11137443173 in words is "eleven billion, one hundred thirty-seven million, four hundred forty-three thousand, one hundred seventy-three".