11173631716 has 18 divisors (see below), whose sum is σ = 21173702802. Its totient is φ = 5157060480.

The previous prime is 11173631713. The next prime is 11173631719. The reversal of 11173631716 is 61713637111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11173631713) and next prime (11173631719).

It can be written as a sum of positive squares in 3 ways, for example, as 534534400 + 10639097316 = 23120^2 + 103146^2 .

It is a super-2 number, since 2×11173631716² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11173631713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8263845 + ... + 8265196.

Almost surely, 2^11173631716 is an apocalyptic number.

It is an amenable number.

11173631716 is a deficient number, since it is larger than the sum of its proper divisors (10000071086).

11173631716 is a wasteful number, since it uses less digits than its factorization.

11173631716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16529071 (or 16529056 counting only the distinct ones).

The product of its digits is 15876, while the sum is 37.

The spelling of 11173631716 in words is "eleven billion, one hundred seventy-three million, six hundred thirty-one thousand, seven hundred sixteen".