14727660317561 has 2 divisors, whose sum is σ = 14727660317562. Its totient is φ = 14727660317560.

The previous prime is 14727660317549. The next prime is 14727660317567. The reversal of 14727660317561 is 16571306672741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14647605273961 + 80055043600 = 3827219^2 + 282940^2 .

It is a cyclic number.

It is not a de Polignac number, because 14727660317561 - 2²⁶ = 14727593208697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14727660317497 and 14727660317506.

It is not a weakly prime, because it can be changed into another prime (14727660317567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7363830158780 + 7363830158781.

It is an arithmetic number, because the mean of its divisors is an integer number (7363830158781).

Almost surely, 2^{14727660317561} is an apocalyptic number.

It is an amenable number.

14727660317561 is a deficient number, since it is larger than the sum of its proper divisors (1).

14727660317561 is an equidigital number, since it uses as much as digits as its factorization.

14727660317561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 14727660317561 in words is "fourteen trillion, seven hundred twenty-seven billion, six hundred sixty million, three hundred seventeen thousand, five hundred sixty-one".