13551405199 has 4 divisors (see below), whose sum is σ = 13601782440. Its totient is φ = 13501027960.

The previous prime is 13551405187. The next prime is 13551405209. The reversal of 13551405199 is 99150415531.

13551405199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13551405199 - 2³³ = 4961470607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551405139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25188217 + ... + 25188754.

It is an arithmetic number, because the mean of its divisors is an integer number (3400445610).

Almost surely, 2^13551405199 is an apocalyptic number.

13551405199 is a deficient number, since it is larger than the sum of its proper divisors (50377241).

13551405199 is an equidigital number, since it uses as much as digits as its factorization.

13551405199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50377240.

The product of its (nonzero) digits is 121500, while the sum is 43.

The spelling of 13551405199 in words is "thirteen billion, five hundred fifty-one million, four hundred five thousand, one hundred ninety-nine".