13121614861451 has 32 divisors (see below), whose sum is σ = 13675653377280. Its totient is φ = 12582911126016.

The previous prime is 13121614861361. The next prime is 13121614861513. The reversal of 13121614861451 is 15416841612131.

It is a cyclic number.

It is not a de Polignac number, because 13121614861451 - 2³⁸ = 12846736954507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121613861451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284320760 + ... + 284366906.

It is an arithmetic number, because the mean of its divisors is an integer number (427364168040).

Almost surely, 2^{13121614861451} is an apocalyptic number.

13121614861451 is a deficient number, since it is larger than the sum of its proper divisors (554038515829).

13121614861451 is a wasteful number, since it uses less digits than its factorization.

13121614861451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47003.

The product of its digits is 138240, while the sum is 44.

The spelling of 13121614861451 in words is "thirteen trillion, one hundred twenty-one billion, six hundred fourteen million, eight hundred sixty-one thousand, four hundred fifty-one".