13778201721275 has 12 divisors (see below), whose sum is σ = 17301235581600. Its totient is φ = 10883035282080.

The previous prime is 13778201721257. The next prime is 13778201721301. The reversal of 13778201721275 is 57212710287731.

It is not a de Polignac number, because 13778201721275 - 2¹⁰ = 13778201720251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3488150360 + ... + 3488154309.

It is an arithmetic number, because the mean of its divisors is an integer number (1441769631800).

Almost surely, 2^{13778201721275} is an apocalyptic number.

13778201721275 is a deficient number, since it is larger than the sum of its proper divisors (3523033860325).

13778201721275 is an equidigital number, since it uses as much as digits as its factorization.

13778201721275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6976304758 (or 6976304753 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 53.

The spelling of 13778201721275 in words is "thirteen trillion, seven hundred seventy-eight billion, two hundred one million, seven hundred twenty-one thousand, two hundred seventy-five".