13028788577755 has 4 divisors (see below), whose sum is σ = 15634546293312. Its totient is φ = 10423030862200.

The previous prime is 13028788577743. The next prime is 13028788577759. The reversal of 13028788577755 is 55777588782031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13028788577755 - 2¹⁹ = 13028788053467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13028788577759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302878857771 + ... + 1302878857780.

It is an arithmetic number, because the mean of its divisors is an integer number (3908636573328).

Almost surely, 2^{13028788577755} is an apocalyptic number.

13028788577755 is a deficient number, since it is larger than the sum of its proper divisors (2605757715557).

13028788577755 is an equidigital number, since it uses as much as digits as its factorization.

13028788577755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605757715556.

The product of its (nonzero) digits is 921984000, while the sum is 73.

The spelling of 13028788577755 in words is "thirteen trillion, twenty-eight billion, seven hundred eighty-eight million, five hundred seventy-seven thousand, seven hundred fifty-five".