13405500044327 has 2 divisors, whose sum is σ = 13405500044328. Its totient is φ = 13405500044326.

The previous prime is 13405500044323. The next prime is 13405500044411. The reversal of 13405500044327 is 72344000550431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13405500044327 - 2² = 13405500044323 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13405500044323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702750022163 + 6702750022164.

It is an arithmetic number, because the mean of its divisors is an integer number (6702750022164).

Almost surely, 2^{13405500044327} is an apocalyptic number.

13405500044327 is a deficient number, since it is larger than the sum of its proper divisors (1).

13405500044327 is an equidigital number, since it uses as much as digits as its factorization.

13405500044327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 38.

Adding to 13405500044327 its reverse (72344000550431), we get a palindrome (85749500594758).

The spelling of 13405500044327 in words is "thirteen trillion, four hundred five billion, five hundred million, forty-four thousand, three hundred twenty-seven".