14161521553 has 2 divisors, whose sum is σ = 14161521554. Its totient is φ = 14161521552.

The previous prime is 14161521533. The next prime is 14161521559. The reversal of 14161521553 is 35512516141.

14161521553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11416495104 + 2745026449 = 106848^2 + 52393^2 .

It is a cyclic number.

It is not a de Polignac number, because 14161521553 - 2⁹ = 14161521041 is a prime.

It is not a weakly prime, because it can be changed into another prime (14161521559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7080760776 + 7080760777.

It is an arithmetic number, because the mean of its divisors is an integer number (7080760777).

Almost surely, 2^14161521553 is an apocalyptic number.

It is an amenable number.

14161521553 is a deficient number, since it is larger than the sum of its proper divisors (1).

14161521553 is an equidigital number, since it uses as much as digits as its factorization.

14161521553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 34.

The spelling of 14161521553 in words is "fourteen billion, one hundred sixty-one million, five hundred twenty-one thousand, five hundred fifty-three".