12838133515 has 4 divisors (see below), whose sum is σ = 15405760224. Its totient is φ = 10270506808.

The previous prime is 12838133467. The next prime is 12838133531. The reversal of 12838133515 is 51533183821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12838133515 - 2⁷ = 12838133387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283813347 + ... + 1283813356.

It is an arithmetic number, because the mean of its divisors is an integer number (3851440056).

Almost surely, 2^12838133515 is an apocalyptic number.

12838133515 is a deficient number, since it is larger than the sum of its proper divisors (2567626709).

12838133515 is an equidigital number, since it uses as much as digits as its factorization.

12838133515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567626708.

The product of its digits is 86400, while the sum is 40.

The spelling of 12838133515 in words is "twelve billion, eight hundred thirty-eight million, one hundred thirty-three thousand, five hundred fifteen".