13001143000 has 64 divisors (see below), whose sum is σ = 30522492000. Its totient is φ = 5183395200.

The previous prime is 13001142983. The next prime is 13001143013. The reversal of 13001143000 is 34110031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285826 + ... + 328174.

Almost surely, 2^13001143000 is an apocalyptic number.

13001143000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13001143000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15261246000).

13001143000 is an abundant number, since it is smaller than the sum of its proper divisors (17521349000).

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

13001143000 is a wasteful number, since it uses less digits than its factorization.

13001143000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42677 (or 42663 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13001143000 its reverse (34110031), we get a palindrome (13035253031).

The spelling of 13001143000 in words is "thirteen billion, one million, one hundred forty-three thousand".