13456545544261 has 4 divisors (see below), whose sum is σ = 13890627658624. Its totient is φ = 13022463429900.

The previous prime is 13456545544241. The next prime is 13456545544357. The reversal of 13456545544261 is 16244554565431.

13456545544261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13456545544261 - 2²⁵ = 13456511989829 is a prime.

It is a super-2 number, since 2×13456545544261² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456545544241) 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, 217041057135 + ... + 217041057196.

It is an arithmetic number, because the mean of its divisors is an integer number (3472656914656).

Almost surely, 2^{13456545544261} is an apocalyptic number.

It is an amenable number.

13456545544261 is a deficient number, since it is larger than the sum of its proper divisors (434082114363).

13456545544261 is an equidigital number, since it uses as much as digits as its factorization.

13456545544261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434082114362.

The product of its digits is 34560000, while the sum is 55.

The spelling of 13456545544261 in words is "thirteen trillion, four hundred fifty-six billion, five hundred forty-five million, five hundred forty-four thousand, two hundred sixty-one".