11173112072 has 16 divisors (see below), whose sum is σ = 21157008300. Its totient is φ = 5531243200.

The previous prime is 11173112057. The next prime is 11173112077. The reversal of 11173112072 is 27021137111.

It can be written as a sum of positive squares in 2 ways, for example, as 7425958276 + 3747153796 = 86174^2 + 61214^2 .

It is not an unprimeable number, because it can be changed into a prime (11173112077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6913247 + ... + 6914862.

Almost surely, 2^11173112072 is an apocalyptic number.

It is an amenable number.

11173112072 is a deficient number, since it is larger than the sum of its proper divisors (9983896228).

11173112072 is a wasteful number, since it uses less digits than its factorization.

11173112072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13828216 (or 13828212 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 26.

Adding to 11173112072 its reverse (27021137111), we get a palindrome (38194249183).

The spelling of 11173112072 in words is "eleven billion, one hundred seventy-three million, one hundred twelve thousand, seventy-two".