13551115312 has 80 divisors (see below), whose sum is σ = 31029379072. Its totient is φ = 5610228480.

The previous prime is 13551115297. The next prime is 13551115349. The reversal of 13551115312 is 21351115531.

13551115312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2125153 + ... + 2131519.

Almost surely, 2^13551115312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13551115312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15514689536).

13551115312 is an abundant number, since it is smaller than the sum of its proper divisors (17478263760).

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

13551115312 is a wasteful number, since it uses less digits than its factorization.

13551115312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026 (or 7020 counting only the distinct ones).

The product of its digits is 2250, while the sum is 28.

The spelling of 13551115312 in words is "thirteen billion, five hundred fifty-one million, one hundred fifteen thousand, three hundred twelve".