13280817123165 has 16 divisors (see below), whose sum is σ = 21468372424128. Its totient is φ = 7010080790016.

The previous prime is 13280817123139. The next prime is 13280817123241. The reversal of 13280817123165 is 56132171808231.

It is not a de Polignac number, because 13280817123165 - 2⁷ = 13280817123037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4563853227 + ... + 4563856136.

It is an arithmetic number, because the mean of its divisors is an integer number (1341773276508).

Almost surely, 2^{13280817123165} is an apocalyptic number.

13280817123165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13280817123165 is a deficient number, since it is larger than the sum of its proper divisors (8187555300963).

13280817123165 is an equidigital number, since it uses as much as digits as its factorization.

13280817123165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127709468.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 13280817123165 in words is "thirteen trillion, two hundred eighty billion, eight hundred seventeen million, one hundred twenty-three thousand, one hundred sixty-five".