13144326444526 has 16 divisors (see below), whose sum is σ = 19794765553920. Its totient is φ = 6546088280160.

The previous prime is 13144326444517. The next prime is 13144326444533. The reversal of 13144326444526 is 62544462344131.

It is a self number, because there is not a number n which added to its sum of digits gives 13144326444526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2708430 + ... + 5798641.

It is an arithmetic number, because the mean of its divisors is an integer number (1237172847120).

Almost surely, 2^{13144326444526} is an apocalyptic number.

13144326444526 is a deficient number, since it is larger than the sum of its proper divisors (6650439109394).

13144326444526 is a wasteful number, since it uses less digits than its factorization.

13144326444526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8510139.

The product of its digits is 6635520, while the sum is 49.

Adding to 13144326444526 its reverse (62544462344131), we get a palindrome (75688788788657).

The spelling of 13144326444526 in words is "thirteen trillion, one hundred forty-four billion, three hundred twenty-six million, four hundred forty-four thousand, five hundred twenty-six".