11165040637 has 2 divisors, whose sum is σ = 11165040638. Its totient is φ = 11165040636.

The previous prime is 11165040619. The next prime is 11165040671. The reversal of 11165040637 is 73604056111.

It is an a-pointer prime, because the next prime (11165040671) can be obtained adding 11165040637 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9799812036 + 1365228601 = 98994^2 + 36949^2 .

It is a cyclic number.

It is not a de Polignac number, because 11165040637 - 2²³ = 11156652029 is a prime.

It is a super-2 number, since 2×11165040637² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11165040617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5582520318 + 5582520319.

It is an arithmetic number, because the mean of its divisors is an integer number (5582520319).

Almost surely, 2^11165040637 is an apocalyptic number.

It is an amenable number.

11165040637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11165040637 is an equidigital number, since it uses as much as digits as its factorization.

11165040637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 11165040637 its reverse (73604056111), we get a palindrome (84769096748).

The spelling of 11165040637 in words is "eleven billion, one hundred sixty-five million, forty thousand, six hundred thirty-seven".