12815000052 has 48 divisors (see below), whose sum is σ = 30088934400. Its totient is φ = 4244963328.

The previous prime is 12815000021. The next prime is 12815000063. The reversal of 12815000052 is 25000051821.

It is a junction number, because it is equal to n+sod(n) for n = 12814999986 and 12815000031.

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, 2667949 + ... + 2672747.

It is an arithmetic number, because the mean of its divisors is an integer number (626852800).

Almost surely, 2^12815000052 is an apocalyptic number.

12815000052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12815000052 is an abundant number, since it is smaller than the sum of its proper divisors (17273934348).

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

12815000052 is a wasteful number, since it uses less digits than its factorization.

12815000052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6152 (or 6150 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 12815000052 its reverse (25000051821), we get a palindrome (37815051873).

The spelling of 12815000052 in words is "twelve billion, eight hundred fifteen million, fifty-two", and thus it is an aban number.