13551144204 has 96 divisors (see below), whose sum is σ = 37000284160. Its totient is φ = 3822681600.

The previous prime is 13551144203. The next prime is 13551144241. The reversal of 13551144204 is 40244115531.

It is not an unprimeable number, because it can be changed into a prime (13551144203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18144 + ... + 165624.

Almost surely, 2^13551144204 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 13551144204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18500142080).

13551144204 is an abundant number, since it is smaller than the sum of its proper divisors (23449139956).

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

13551144204 is a wasteful number, since it uses less digits than its factorization.

13551144204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147551 (or 147549 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 13551144204 its reverse (40244115531), we get a palindrome (53795259735).

The spelling of 13551144204 in words is "thirteen billion, five hundred fifty-one million, one hundred forty-four thousand, two hundred four".