13279317558955 has 24 divisors (see below), whose sum is σ = 18569421413280. Its totient is φ = 9089814464640.

The previous prime is 13279317558919. The next prime is 13279317559021. The reversal of 13279317558955 is 55985571397231.

It is not a de Polignac number, because 13279317558955 - 2²¹ = 13279315461803 is a prime.

It is a super-4 number, since 4×13279317558955⁴ (a number of 54 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

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 in 23 ways as a sum of consecutive naturals, for example, 47489151 + ... + 47767960.

It is an arithmetic number, because the mean of its divisors is an integer number (773725892220).

Almost surely, 2^{13279317558955} is an apocalyptic number.

13279317558955 is a deficient number, since it is larger than the sum of its proper divisors (5290103854325).

13279317558955 is an equidigital number, since it uses as much as digits as its factorization.

13279317558955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95257699 (or 95257692 counting only the distinct ones).

The product of its digits is 357210000, while the sum is 70.

The spelling of 13279317558955 in words is "thirteen trillion, two hundred seventy-nine billion, three hundred seventeen million, five hundred fifty-eight thousand, nine hundred fifty-five".