143605603121213 has 2 divisors, whose sum is σ = 143605603121214. Its totient is φ = 143605603121212.

The previous prime is 143605603121177. The next prime is 143605603121263. The reversal of 143605603121213 is 312121306506341.

143605603121213 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., 141409151667364 + 2196451453849 = 11891558^2 + 1482043^2 .

It is a cyclic number.

It is not a de Polignac number, because 143605603121213 - 2²⁶ = 143605536012349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143605603121263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71802801560606 + 71802801560607.

It is an arithmetic number, because the mean of its divisors is an integer number (71802801560607).

Almost surely, 2^{143605603121213} is an apocalyptic number.

It is an amenable number.

143605603121213 is a deficient number, since it is larger than the sum of its proper divisors (1).

143605603121213 is an equidigital number, since it uses as much as digits as its factorization.

143605603121213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 143605603121213 its reverse (312121306506341), we get a palindrome (455726909627554).

The spelling of 143605603121213 in words is "one hundred forty-three trillion, six hundred five billion, six hundred three million, one hundred twenty-one thousand, two hundred thirteen".