13325443015455 has 24 divisors (see below), whose sum is σ = 23660786625840. Its totient is φ = 6933563844480.

The previous prime is 13325443015393. The next prime is 13325443015481. The reversal of 13325443015455 is 55451034452331.

13325443015455 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 5 + 443 + 0 + 154 + 55 = 666.

It is not a de Polignac number, because 13325443015455 - 2¹³ = 13325443007263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13325443015455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3611229325 + ... + 3611233014.

It is an arithmetic number, because the mean of its divisors is an integer number (985866109410).

Almost surely, 2^{13325443015455} is an apocalyptic number.

13325443015455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13325443015455 is a deficient number, since it is larger than the sum of its proper divisors (10335343610385).

13325443015455 is a wasteful number, since it uses less digits than its factorization.

13325443015455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222462391 (or 7222462388 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

Adding to 13325443015455 its reverse (55451034452331), we get a palindrome (68776477467786).

The spelling of 13325443015455 in words is "thirteen trillion, three hundred twenty-five billion, four hundred forty-three million, fifteen thousand, four hundred fifty-five".