13444207051281 has 8 divisors (see below), whose sum is σ = 17925682322880. Its totient is φ = 8962768240272.

The previous prime is 13444207051271. The next prime is 13444207051307. The reversal of 13444207051281 is 18215070244431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13444207051281 - 2⁶ = 13444207051217 is a prime.

It is a super-2 number, since 2×13444207051281² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13444207051271) 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 in 7 ways as a sum of consecutive naturals, for example, 8242845 + ... + 9738218.

It is an arithmetic number, because the mean of its divisors is an integer number (2240710290360).

Almost surely, 2^{13444207051281} is an apocalyptic number.

It is an amenable number.

13444207051281 is a deficient number, since it is larger than the sum of its proper divisors (4481475271599).

13444207051281 is a wasteful number, since it uses less digits than its factorization.

13444207051281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18230295.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 13444207051281 in words is "thirteen trillion, four hundred forty-four billion, two hundred seven million, fifty-one thousand, two hundred eighty-one".