13078998551 has 8 divisors (see below), whose sum is σ = 13412087040. Its totient is φ = 12747224952.

The previous prime is 13078998547. The next prime is 13078998563. The reversal of 13078998551 is 15589987031.

13078998551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13078998551 - 2² = 13078998547 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 (13078998571) 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 7 ways as a sum of consecutive naturals, for example, 308561 + ... + 348378.

It is an arithmetic number, because the mean of its divisors is an integer number (1676510880).

Almost surely, 2^13078998551 is an apocalyptic number.

13078998551 is a deficient number, since it is larger than the sum of its proper divisors (333088489).

13078998551 is an equidigital number, since it uses as much as digits as its factorization.

13078998551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657445.

The product of its (nonzero) digits is 2721600, while the sum is 56.

The spelling of 13078998551 in words is "thirteen billion, seventy-eight million, nine hundred ninety-eight thousand, five hundred fifty-one".