5115343512 has 64 divisors (see below), whose sum is σ = 13117178880. Its totient is φ = 1661587712.

The previous prime is 5115343489. The next prime is 5115343517. The reversal of 5115343512 is 2153435115.

It is a self number, because there is not a number n which added to its sum of digits gives 5115343512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5115343517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253093 + ... + 272555.

It is an arithmetic number, because the mean of its divisors is an integer number (204955920).

Almost surely, 2^5115343512 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 5115343512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6558589440).

5115343512 is an abundant number, since it is smaller than the sum of its proper divisors (8001835368).

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

5115343512 is a wasteful number, since it uses less digits than its factorization.

5115343512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19752 (or 19748 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 5115343512 is about 71521.6296794194. The cubic root of 5115343512 is about 1723.0250883736.

Adding to 5115343512 its reverse (2153435115), we get a palindrome (7268778627).

The spelling of 5115343512 in words is "five billion, one hundred fifteen million, three hundred forty-three thousand, five hundred twelve".