12655456311 has 4 divisors (see below), whose sum is σ = 16873941752. Its totient is φ = 8436970872.

The previous prime is 12655456301. The next prime is 12655456321. The reversal of 12655456311 is 11365455621.

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

It is an interprime number because it is at equal distance from previous prime (12655456301) and next prime (12655456321).

It is not a de Polignac number, because 12655456311 - 2¹¹ = 12655454263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12655456311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12655456301) 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, 2109242716 + ... + 2109242721.

It is an arithmetic number, because the mean of its divisors is an integer number (4218485438).

Almost surely, 2^12655456311 is an apocalyptic number.

12655456311 is a deficient number, since it is larger than the sum of its proper divisors (4218485441).

12655456311 is an equidigital number, since it uses as much as digits as its factorization.

12655456311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218485440.

The product of its digits is 108000, while the sum is 39.

The spelling of 12655456311 in words is "twelve billion, six hundred fifty-five million, four hundred fifty-six thousand, three hundred eleven".