515375000000 has 560 divisors, whose sum is σ = 1587499837440. Its totient is φ = 162000000000.

The previous prime is 515374999999. The next prime is 515375000009. The reversal of 515375000000 is 573515.

It is a tau number, because it is divible by the number of its divisors (560).

It is a super-2 number, since 2×515375000000² (a number of 24 digits) contains 22 as substring.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 515375000000 = 1500³ + 8000³ = 5400³ + 7100³.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515375000009) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16624999985 + ... + 16625000015.

Almost surely, 2^515375000000 is an apocalyptic number.

515375000000 is a gapful number since it is divisible by the number (50) 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 515375000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793749918720).

515375000000 is an abundant number, since it is smaller than the sum of its proper divisors (1072124837440).

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

515375000000 is an frugal number, since it uses more digits than its factorization.

515375000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 26.

Adding to 515375000000 its reverse (573515), we get a palindrome (515375573515).

The spelling of 515375000000 in words is "five hundred fifteen billion, three hundred seventy-five million", and thus it is an aban number.