12880108505 has 16 divisors (see below), whose sum is σ = 16891222464. Its totient is φ = 9350690880.

The previous prime is 12880108477. The next prime is 12880108513. The reversal of 12880108505 is 50580108821.

It is not a de Polignac number, because 12880108505 - 2⁸ = 12880108249 is a prime.

It is a Duffinian 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, 177014 + ... + 238943.

It is an arithmetic number, because the mean of its divisors is an integer number (1055701404).

Almost surely, 2^12880108505 is an apocalyptic number.

It is an amenable number.

12880108505 is a deficient number, since it is larger than the sum of its proper divisors (4011113959).

12880108505 is a wasteful number, since it uses less digits than its factorization.

12880108505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416536.

The product of its (nonzero) digits is 25600, while the sum is 38.

The spelling of 12880108505 in words is "twelve billion, eight hundred eighty million, one hundred eight thousand, five hundred five".