11340606204581 has 2 divisors, whose sum is σ = 11340606204582. Its totient is φ = 11340606204580.

The previous prime is 11340606204553. The next prime is 11340606204589. The reversal of 11340606204581 is 18540260604311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10072155879556 + 1268450325025 = 3173666^2 + 1126255^2 .

It is an emirp because it is prime and its reverse (18540260604311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11340606204581 - 2¹⁸ = 11340605942437 is a prime.

It is a super-2 number, since 2×11340606204581² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11340606204589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670303102290 + 5670303102291.

It is an arithmetic number, because the mean of its divisors is an integer number (5670303102291).

Almost surely, 2^{11340606204581} is an apocalyptic number.

It is an amenable number.

11340606204581 is a deficient number, since it is larger than the sum of its proper divisors (1).

11340606204581 is an equidigital number, since it uses as much as digits as its factorization.

11340606204581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

Adding to 11340606204581 its reverse (18540260604311), we get a palindrome (29880866808892).

The spelling of 11340606204581 in words is "eleven trillion, three hundred forty billion, six hundred six million, two hundred four thousand, five hundred eighty-one".