13144455514544 has 20 divisors (see below), whose sum is σ = 25471965669024. Its totient is φ = 6571045019328.

The previous prime is 13144455514529. The next prime is 13144455514559. The reversal of 13144455514544 is 44541555444131.

It is a happy number.

13144455514544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13144455514529) and next prime (13144455514559).

It is a junction number, because it is equal to n+sod(n) for n = 13144455514492 and 13144455514501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73829432 + ... + 74007255.

Almost surely, 2^{13144455514544} is an apocalyptic number.

It is an amenable number.

13144455514544 is a deficient number, since it is larger than the sum of its proper divisors (12327510154480).

13144455514544 is a wasteful number, since it uses less digits than its factorization.

13144455514544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147842252 (or 147842246 counting only the distinct ones).

The product of its digits is 7680000, while the sum is 50.

The spelling of 13144455514544 in words is "thirteen trillion, one hundred forty-four billion, four hundred fifty-five million, five hundred fourteen thousand, five hundred forty-four".