11137748117 has 2 divisors, whose sum is σ = 11137748118. Its totient is φ = 11137748116.

The previous prime is 11137748099. The next prime is 11137748161. The reversal of 11137748117 is 71184773111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11136369841 + 1378276 = 105529^2 + 1174^2 .

It is an emirp because it is prime and its reverse (71184773111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11137748117 - 2⁶ = 11137748053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11137748197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5568874058 + 5568874059.

It is an arithmetic number, because the mean of its divisors is an integer number (5568874059).

Almost surely, 2^11137748117 is an apocalyptic number.

It is an amenable number.

11137748117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11137748117 is an equidigital number, since it uses as much as digits as its factorization.

11137748117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928, while the sum is 41.

The spelling of 11137748117 in words is "eleven billion, one hundred thirty-seven million, seven hundred forty-eight thousand, one hundred seventeen".