13424434134555 has 16 divisors (see below), whose sum is σ = 22171968635904. Its totient is φ = 6928740198240.

The previous prime is 13424434134523. The next prime is 13424434134569. The reversal of 13424434134555 is 55543143442431.

It is a happy number.

It is not a de Polignac number, because 13424434134555 - 2⁵ = 13424434134523 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14434874949 + ... + 14434875878.

It is an arithmetic number, because the mean of its divisors is an integer number (1385748039744).

Almost surely, 2^{13424434134555} is an apocalyptic number.

13424434134555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13424434134555 is a deficient number, since it is larger than the sum of its proper divisors (8747534501349).

13424434134555 is a wasteful number, since it uses less digits than its factorization.

13424434134555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28869750866.

The product of its digits is 6912000, while the sum is 48.

Adding to 13424434134555 its reverse (55543143442431), we get a palindrome (68967577576986).

The spelling of 13424434134555 in words is "thirteen trillion, four hundred twenty-four billion, four hundred thirty-four million, one hundred thirty-four thousand, five hundred fifty-five".