13105405403144 has 32 divisors (see below), whose sum is σ = 24606841633920. Its totient is φ = 6543587230656.

The previous prime is 13105405403141. The next prime is 13105405403159. The reversal of 13105405403144 is 44130450450131.

It is not an unprimeable number, because it can be changed into a prime (13105405403141) 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, 16412177 + ... + 17192159.

It is an arithmetic number, because the mean of its divisors is an integer number (768963801060).

Almost surely, 2^{13105405403144} is an apocalyptic number.

It is an amenable number.

13105405403144 is a deficient number, since it is larger than the sum of its proper divisors (11501436230776).

13105405403144 is a wasteful number, since it uses less digits than its factorization.

13105405403144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782909 (or 782905 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 13105405403144 its reverse (44130450450131), we get a palindrome (57235855853275).

The spelling of 13105405403144 in words is "thirteen trillion, one hundred five billion, four hundred five million, four hundred three thousand, one hundred forty-four".