11140440361 has 2 divisors, whose sum is σ = 11140440362. Its totient is φ = 11140440360.

The previous prime is 11140440347. The next prime is 11140440413. The reversal of 11140440361 is 16304404111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8216334736 + 2924105625 = 90644^2 + 54075^2 .

It is an emirp because it is prime and its reverse (16304404111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11140440361 - 2¹⁷ = 11140309289 is a prime.

It is a super-2 number, since 2×11140440361² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11140440341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570220180 + 5570220181.

It is an arithmetic number, because the mean of its divisors is an integer number (5570220181).

Almost surely, 2^11140440361 is an apocalyptic number.

It is an amenable number.

11140440361 is a deficient number, since it is larger than the sum of its proper divisors (1).

11140440361 is an equidigital number, since it uses as much as digits as its factorization.

11140440361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 11140440361 its reverse (16304404111), we get a palindrome (27444844472).

The spelling of 11140440361 in words is "eleven billion, one hundred forty million, four hundred forty thousand, three hundred sixty-one".