13500233161 has 2 divisors, whose sum is σ = 13500233162. Its totient is φ = 13500233160.

The previous prime is 13500233147. The next prime is 13500233177. The reversal of 13500233161 is 16133200531.

13500233161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7426992400 + 6073240761 = 86180^2 + 77931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13500233161 is a prime.

It is not a weakly prime, because it can be changed into another prime (13500231161) 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, 6750116580 + 6750116581.

It is an arithmetic number, because the mean of its divisors is an integer number (6750116581).

Almost surely, 2^13500233161 is an apocalyptic number.

It is an amenable number.

13500233161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13500233161 is an equidigital number, since it uses as much as digits as its factorization.

13500233161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 13500233161 its reverse (16133200531), we get a palindrome (29633433692).

The spelling of 13500233161 in words is "thirteen billion, five hundred million, two hundred thirty-three thousand, one hundred sixty-one".