13113355120 has 20 divisors (see below), whose sum is σ = 30488550840. Its totient is φ = 5245342016.

The previous prime is 13113355117. The next prime is 13113355187. The reversal of 13113355120 is 2155331131.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 81958390 + ... + 81958549.

It is an arithmetic number, because the mean of its divisors is an integer number (1524427542).

Almost surely, 2^13113355120 is an apocalyptic number.

13113355120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113355120 is an abundant number, since it is smaller than the sum of its proper divisors (17375195720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13113355120 is a wasteful number, since it uses less digits than its factorization.

13113355120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163916952 (or 163916946 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 13113355120 its reverse (2155331131), we get a palindrome (15268686251).

The spelling of 13113355120 in words is "thirteen billion, one hundred thirteen million, three hundred fifty-five thousand, one hundred twenty".