13123116551 has 8 divisors (see below), whose sum is σ = 13435344384. Its totient is φ = 12811208760.

The previous prime is 13123116529. The next prime is 13123116553. The reversal of 13123116551 is 15561132131.

13123116551 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 13123116551 - 2²⁶ = 13056007687 is a prime.

It is a super-2 number, since 2×13123116551² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123116553) 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, 4010 + ... + 162056.

It is an arithmetic number, because the mean of its divisors is an integer number (1679418048).

Almost surely, 2^13123116551 is an apocalyptic number.

13123116551 is a deficient number, since it is larger than the sum of its proper divisors (312227833).

13123116551 is a wasteful number, since it uses less digits than its factorization.

13123116551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160021.

The product of its digits is 2700, while the sum is 29.

Adding to 13123116551 its reverse (15561132131), we get a palindrome (28684248682).

The spelling of 13123116551 in words is "thirteen billion, one hundred twenty-three million, one hundred sixteen thousand, five hundred fifty-one".