12896611455 has 32 divisors (see below), whose sum is σ = 25396406784. Its totient is φ = 5442086016.

The previous prime is 12896611439. The next prime is 12896611477. The reversal of 12896611455 is 55411669821.

12896611455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12896611455 - 2⁴ = 12896611439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4722669 + ... + 4725398.

It is an arithmetic number, because the mean of its divisors is an integer number (793637712).

Almost surely, 2^12896611455 is an apocalyptic number.

12896611455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12896611455 is a deficient number, since it is larger than the sum of its proper divisors (12499795329).

12896611455 is a wasteful number, since it uses less digits than its factorization.

12896611455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9448095.

The product of its digits is 518400, while the sum is 48.

The spelling of 12896611455 in words is "twelve billion, eight hundred ninety-six million, six hundred eleven thousand, four hundred fifty-five".