12618116741 has 2 divisors, whose sum is σ = 12618116742. Its totient is φ = 12618116740.

The previous prime is 12618116723. The next prime is 12618116747. The reversal of 12618116741 is 14761181621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12238996900 + 379119841 = 110630^2 + 19471^2 .

It is a cyclic number.

It is not a de Polignac number, because 12618116741 - 2⁶ = 12618116677 is a prime.

It is a super-2 number, since 2×12618116741² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12618116695 and 12618116704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12618116747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6309058370 + 6309058371.

It is an arithmetic number, because the mean of its divisors is an integer number (6309058371).

Almost surely, 2^12618116741 is an apocalyptic number.

It is an amenable number.

12618116741 is a deficient number, since it is larger than the sum of its proper divisors (1).

12618116741 is an equidigital number, since it uses as much as digits as its factorization.

12618116741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 38.

The spelling of 12618116741 in words is "twelve billion, six hundred eighteen million, one hundred sixteen thousand, seven hundred forty-one".