12591148115 has 36 divisors (see below), whose sum is σ = 18711158544. Its totient is φ = 7964319168.

The previous prime is 12591148111. The next prime is 12591148121. The reversal of 12591148115 is 51184119521.

It is not a de Polignac number, because 12591148115 - 2² = 12591148111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12591148111) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8629256 + ... + 8630714.

It is an arithmetic number, because the mean of its divisors is an integer number (519754404).

Almost surely, 2^12591148115 is an apocalyptic number.

12591148115 is a deficient number, since it is larger than the sum of its proper divisors (6120010429).

12591148115 is an frugal number, since it uses more digits than its factorization.

12591148115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956 (or 1484 counting only the distinct ones).

The product of its digits is 14400, while the sum is 38.

The spelling of 12591148115 in words is "twelve billion, five hundred ninety-one million, one hundred forty-eight thousand, one hundred fifteen".