13406678115618 has 16 divisors (see below), whose sum is σ = 26912298508416. Its totient is φ = 4452402325680.

The previous prime is 13406678115587. The next prime is 13406678115637. The reversal of 13406678115618 is 81651187660431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4122593121 + ... + 4122596372.

It is an arithmetic number, because the mean of its divisors is an integer number (1682018656776).

Almost surely, 2^{13406678115618} is an apocalyptic number.

13406678115618 is an abundant number, since it is smaller than the sum of its proper divisors (13505620392798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13406678115618 is a wasteful number, since it uses less digits than its factorization.

13406678115618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245189769.

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 13406678115618 in words is "thirteen trillion, four hundred six billion, six hundred seventy-eight million, one hundred fifteen thousand, six hundred eighteen".