13445504413455 has 8 divisors (see below), whose sum is σ = 21512807061552. Its totient is φ = 7170935687168.

The previous prime is 13445504413447. The next prime is 13445504413459. The reversal of 13445504413455 is 55431440554431.

13445504413455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13445504413455 - 2³ = 13445504413447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445504413459) 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, 448183480434 + ... + 448183480463.

It is an arithmetic number, because the mean of its divisors is an integer number (2689100882694).

Almost surely, 2^{13445504413455} is an apocalyptic number.

13445504413455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13445504413455 is a deficient number, since it is larger than the sum of its proper divisors (8067302648097).

13445504413455 is an equidigital number, since it uses as much as digits as its factorization.

13445504413455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896366960905.

The product of its (nonzero) digits is 5760000, while the sum is 48.

Adding to 13445504413455 its reverse (55431440554431), we get a palindrome (68876944967886).

The spelling of 13445504413455 in words is "thirteen trillion, four hundred forty-five billion, five hundred four million, four hundred thirteen thousand, four hundred fifty-five".