65103224145361 has 4 divisors (see below), whose sum is σ = 65104056820132. Its totient is φ = 65102391470592.

The previous prime is 65103224145353. The next prime is 65103224145391. The reversal of 65103224145361 is 16354142230156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34380104537025 + 30723119608336 = 5863455^2 + 5542844^2 .

It is a cyclic number.

It is not a de Polignac number, because 65103224145361 - 2³ = 65103224145353 is a prime.

It is a super-2 number, since 2×65103224145361² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65103224145331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416220096 + ... + 416376481.

It is an arithmetic number, because the mean of its divisors is an integer number (16276014205033).

Almost surely, 2^{65103224145361} is an apocalyptic number.

It is an amenable number.

65103224145361 is a deficient number, since it is larger than the sum of its proper divisors (832674771).

65103224145361 is an equidigital number, since it uses as much as digits as its factorization.

65103224145361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832674770.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 65103224145361 in words is "sixty-five trillion, one hundred three billion, two hundred twenty-four million, one hundred forty-five thousand, three hundred sixty-one".