13511002340 has 96 divisors (see below), whose sum is σ = 31437020160. Its totient is φ = 4836758400.

The previous prime is 13511002333. The next prime is 13511002403. The reversal of 13511002340 is 4320011531.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4054475 + ... + 4057805.

It is an arithmetic number, because the mean of its divisors is an integer number (327468960).

Almost surely, 2^13511002340 is an apocalyptic number.

13511002340 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 13511002340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15718510080).

13511002340 is an abundant number, since it is smaller than the sum of its proper divisors (17926017820).

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

13511002340 is a wasteful number, since it uses less digits than its factorization.

13511002340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633 (or 3631 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 13511002340 its reverse (4320011531), we get a palindrome (17831013871).

The spelling of 13511002340 in words is "thirteen billion, five hundred eleven million, two thousand, three hundred forty".