12515039150 has 24 divisors (see below), whose sum is σ = 23455679544. Its totient is φ = 4967799200.

The previous prime is 12515039129. The next prime is 12515039161. The reversal of 12515039150 is 5193051521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 948797 + ... + 961896.

It is an arithmetic number, because the mean of its divisors is an integer number (977319981).

Almost surely, 2^12515039150 is an apocalyptic number.

12515039150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12515039150 is a deficient number, since it is larger than the sum of its proper divisors (10940640394).

12515039150 is a wasteful number, since it uses less digits than its factorization.

12515039150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910836 (or 1910831 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 12515039150 in words is "twelve billion, five hundred fifteen million, thirty-nine thousand, one hundred fifty".