13455415411544 has 8 divisors (see below), whose sum is σ = 25228903896660. Its totient is φ = 6727707705768.

The previous prime is 13455415411531. The next prime is 13455415411589. The reversal of 13455415411544 is 44511451455431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 840963463214 + ... + 840963463229.

Almost surely, 2^{13455415411544} is an apocalyptic number.

It is an amenable number.

13455415411544 is a deficient number, since it is larger than the sum of its proper divisors (11773488485116).

13455415411544 is a wasteful number, since it uses less digits than its factorization.

13455415411544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681926926449 (or 1681926926445 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 47.

Adding to 13455415411544 its reverse (44511451455431), we get a palindrome (57966866866975).

The spelling of 13455415411544 in words is "thirteen trillion, four hundred fifty-five billion, four hundred fifteen million, four hundred eleven thousand, five hundred forty-four".