11173044317 has 18 divisors (see below), whose sum is σ = 11956180698. Its totient is φ = 10438809472.

The previous prime is 11173044307. The next prime is 11173044341. The reversal of 11173044317 is 71344037111.

It can be written as a sum of positive squares in 3 ways, for example, as 8007744196 + 3165300121 = 89486^2 + 56261^2 .

It is not a de Polignac number, because 11173044317 - 2⁸ = 11173044061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11173044307) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25221098 + ... + 25221540.

It is an arithmetic number, because the mean of its divisors is an integer number (664232261).

Almost surely, 2^11173044317 is an apocalyptic number.

11173044317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11173044317 is a deficient number, since it is larger than the sum of its proper divisors (783136381).

11173044317 is an frugal number, since it uses more digits than its factorization.

11173044317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 11173044317 in words is "eleven billion, one hundred seventy-three million, forty-four thousand, three hundred seventeen".