13318147855 has 8 divisors (see below), whose sum is σ = 15985887264. Its totient is φ = 10651778400.

The previous prime is 13318147853. The next prime is 13318147883. The reversal of 13318147855 is 55874181331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13318147855 - 2¹ = 13318147853 is a prime.

It is a super-2 number, since 2×13318147855² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13318147853) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 320976 + ... + 360085.

It is an arithmetic number, because the mean of its divisors is an integer number (1998235908).

Almost surely, 2^13318147855 is an apocalyptic number.

13318147855 is a deficient number, since it is larger than the sum of its proper divisors (2667739409).

13318147855 is an equidigital number, since it uses as much as digits as its factorization.

13318147855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684977.

The product of its digits is 403200, while the sum is 46.

The spelling of 13318147855 in words is "thirteen billion, three hundred eighteen million, one hundred forty-seven thousand, eight hundred fifty-five".