13776512775265 has 8 divisors (see below), whose sum is σ = 16532210484288. Its totient is φ = 11020946784240.

The previous prime is 13776512775253. The next prime is 13776512775317. The reversal of 13776512775265 is 56257721567731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13776512775265 - 2²¹ = 13776510678113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13776512775197 and 13776512775206.

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 7 ways as a sum of consecutive naturals, for example, 32699251 + ... + 33117880.

It is an arithmetic number, because the mean of its divisors is an integer number (2066526310536).

Almost surely, 2^{13776512775265} is an apocalyptic number.

It is an amenable number.

13776512775265 is a deficient number, since it is larger than the sum of its proper divisors (2755697709023).

13776512775265 is an equidigital number, since it uses as much as digits as its factorization.

13776512775265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65858999.

The product of its digits is 129654000, while the sum is 64.

The spelling of 13776512775265 in words is "thirteen trillion, seven hundred seventy-six billion, five hundred twelve million, seven hundred seventy-five thousand, two hundred sixty-five".