12104340553 has 2 divisors, whose sum is σ = 12104340554. Its totient is φ = 12104340552.

The previous prime is 12104340529. The next prime is 12104340581. The reversal of 12104340553 is 35504340121.

It is an a-pointer prime, because the next prime (12104340581) can be obtained adding 12104340553 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12000545209 + 103795344 = 109547^2 + 10188^2 .

It is an emirp because it is prime and its reverse (35504340121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12104340553 is a prime.

It is not a weakly prime, because it can be changed into another prime (12104340503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052170276 + 6052170277.

It is an arithmetic number, because the mean of its divisors is an integer number (6052170277).

Almost surely, 2^12104340553 is an apocalyptic number.

It is an amenable number.

12104340553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12104340553 is an equidigital number, since it uses as much as digits as its factorization.

12104340553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 12104340553 its reverse (35504340121), we get a palindrome (47608680674).

It can be divided in two parts, 121043 and 40553, that added together give a triangular number (161596 = T₅₆₈).

The spelling of 12104340553 in words is "twelve billion, one hundred four million, three hundred forty thousand, five hundred fifty-three".