14515215000 has 640 divisors, whose sum is σ = 54603521280. Its totient is φ = 3168000000.

The previous prime is 14515214981. The next prime is 14515215007. The reversal of 14515215000 is 51251541.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14515215007) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 143714950 + ... + 143715050.

It is an arithmetic number, because the mean of its divisors is an integer number (85318002).

Almost surely, 2^14515215000 is an apocalyptic number.

14515215000 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 14515215000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27301760640).

14515215000 is an abundant number, since it is smaller than the sum of its proper divisors (40088306280).

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

14515215000 is a wasteful number, since it uses less digits than its factorization.

14515215000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 14515215000 its reverse (51251541), we get a palindrome (14566466541).

The spelling of 14515215000 in words is "fourteen billion, five hundred fifteen million, two hundred fifteen thousand".