13424021254555 has 8 divisors (see below), whose sum is σ = 16109090327232. Its totient is φ = 10739040455808.

The previous prime is 13424021254549. The next prime is 13424021254559. The reversal of 13424021254555 is 55545212042431.

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

It is a cyclic number.

It is not a de Polignac number, because 13424021254555 - 2²¹ = 13424019157403 is a prime.

It is a super-2 number, since 2×13424021254555² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13424021254559) by changing a digit.

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, 21733459 + ... + 22342588.

It is an arithmetic number, because the mean of its divisors is an integer number (2013636290904).

Almost surely, 2^{13424021254555} is an apocalyptic number.

13424021254555 is a deficient number, since it is larger than the sum of its proper divisors (2685069072677).

13424021254555 is an equidigital number, since it uses as much as digits as its factorization.

13424021254555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44136965.

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 13424021254555 its reverse (55545212042431), we get a palindrome (68969233296986).

The spelling of 13424021254555 in words is "thirteen trillion, four hundred twenty-four billion, twenty-one million, two hundred fifty-four thousand, five hundred fifty-five".