13424430511878 has 8 divisors (see below), whose sum is σ = 26848861023768. Its totient is φ = 4474810170624.

The previous prime is 13424430511873. The next prime is 13424430511889. The reversal of 13424430511878 is 87811503442431.

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

13424430511878 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 13424430511878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424430511873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118702542651 + ... + 1118702542662.

It is an arithmetic number, because the mean of its divisors is an integer number (3356107627971).

Almost surely, 2^{13424430511878} is an apocalyptic number.

13424430511878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13424430511878 is a wasteful number, since it uses less digits than its factorization.

13424430511878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237405085318.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 13424430511878 in words is "thirteen trillion, four hundred twenty-four billion, four hundred thirty million, five hundred eleven thousand, eight hundred seventy-eight".