11173163137 has 2 divisors, whose sum is σ = 11173163138. Its totient is φ = 11173163136.

The previous prime is 11173163081. The next prime is 11173163159. The reversal of 11173163137 is 73136137111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8713102336 + 2460060801 = 93344^2 + 49599^2 .

It is an emirp because it is prime and its reverse (73136137111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11173163137 - 2²³ = 11164774529 is a prime.

It is not a weakly prime, because it can be changed into another prime (41173163137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586581568 + 5586581569.

It is an arithmetic number, because the mean of its divisors is an integer number (5586581569).

Almost surely, 2^11173163137 is an apocalyptic number.

It is an amenable number.

11173163137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11173163137 is an equidigital number, since it uses as much as digits as its factorization.

11173163137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938, while the sum is 34.

The spelling of 11173163137 in words is "eleven billion, one hundred seventy-three million, one hundred sixty-three thousand, one hundred thirty-seven".