13656745411 has 4 divisors (see below), whose sum is σ = 13659653952. Its totient is φ = 13653836872.

The previous prime is 13656745409. The next prime is 13656745423. The reversal of 13656745411 is 11454765631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11454765631 = 17 ⋅673809743.

It is a cyclic number.

It is not a de Polignac number, because 13656745411 - 2¹ = 13656745409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13656745441) 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, 1447216 + ... + 1456621.

It is an arithmetic number, because the mean of its divisors is an integer number (3414913488).

Almost surely, 2^13656745411 is an apocalyptic number.

13656745411 is a deficient number, since it is larger than the sum of its proper divisors (2908541).

13656745411 is an equidigital number, since it uses as much as digits as its factorization.

13656745411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908540.

The product of its digits is 302400, while the sum is 43.

The spelling of 13656745411 in words is "thirteen billion, six hundred fifty-six million, seven hundred forty-five thousand, four hundred eleven".