13215112188671 has 2 divisors, whose sum is σ = 13215112188672. Its totient is φ = 13215112188670.

The previous prime is 13215112188667. The next prime is 13215112188679. The reversal of 13215112188671 is 17688121151231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13215112188671 - 2² = 13215112188667 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13215112188679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6607556094335 + 6607556094336.

It is an arithmetic number, because the mean of its divisors is an integer number (6607556094336).

Almost surely, 2^{13215112188671} is an apocalyptic number.

13215112188671 is a deficient number, since it is larger than the sum of its proper divisors (1).

13215112188671 is an equidigital number, since it uses as much as digits as its factorization.

13215112188671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 47.

The spelling of 13215112188671 in words is "thirteen trillion, two hundred fifteen billion, one hundred twelve million, one hundred eighty-eight thousand, six hundred seventy-one".