13445252217071 has 4 divisors (see below), whose sum is σ = 13455780998472. Its totient is φ = 13434723435672.

The previous prime is 13445252216993. The next prime is 13445252217077. The reversal of 13445252217071 is 17071225254431.

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

It is a cyclic number.

It is not a de Polignac number, because 13445252217071 - 2¹⁰ = 13445252216047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445252217077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5264388785 + ... + 5264391338.

It is an arithmetic number, because the mean of its divisors is an integer number (3363945249618).

Almost surely, 2^{13445252217071} is an apocalyptic number.

13445252217071 is a deficient number, since it is larger than the sum of its proper divisors (10528781401).

13445252217071 is a wasteful number, since it uses less digits than its factorization.

13445252217071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10528781400.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 13445252217071 in words is "thirteen trillion, four hundred forty-five billion, two hundred fifty-two million, two hundred seventeen thousand, seventy-one".