13144255343553 has 8 divisors (see below), whose sum is σ = 17525693249568. Its totient is φ = 8762827166624.

The previous prime is 13144255343533. The next prime is 13144255343567. The reversal of 13144255343553 is 35534355244131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13144255343553 - 2⁹ = 13144255343041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13144255343533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745026 + ... + 5416052.

It is an arithmetic number, because the mean of its divisors is an integer number (2190711656196).

Almost surely, 2^{13144255343553} is an apocalyptic number.

It is an amenable number.

13144255343553 is a deficient number, since it is larger than the sum of its proper divisors (4381437906015).

13144255343553 is a wasteful number, since it uses less digits than its factorization.

13144255343553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4864543.

The product of its digits is 6480000, while the sum is 48.

The spelling of 13144255343553 in words is "thirteen trillion, one hundred forty-four billion, two hundred fifty-five million, three hundred forty-three thousand, five hundred fifty-three".