13456766241287 has 8 divisors (see below), whose sum is σ = 13677751366992. Its totient is φ = 13235793451200.

The previous prime is 13456766241251. The next prime is 13456766241293. The reversal of 13456766241287 is 78214266765431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13456766241287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456766241487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871289 + ... + 5260482.

It is an arithmetic number, because the mean of its divisors is an integer number (1709718920874).

Almost surely, 2^{13456766241287} is an apocalyptic number.

13456766241287 is a deficient number, since it is larger than the sum of its proper divisors (220985125705).

13456766241287 is an equidigital number, since it uses as much as digits as its factorization.

13456766241287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167809.

The product of its digits is 81285120, while the sum is 62.

The spelling of 13456766241287 in words is "thirteen trillion, four hundred fifty-six billion, seven hundred sixty-six million, two hundred forty-one thousand, two hundred eighty-seven".