12791795115 has 128 divisors (see below), whose sum is σ = 23830640640. Its totient is φ = 5847029760.

The previous prime is 12791795063. The next prime is 12791795131. The reversal of 12791795115 is 51159719721.

It is not a de Polignac number, because 12791795115 - 2¹⁰ = 12791794091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 40868199 + ... + 40868511.

It is an arithmetic number, because the mean of its divisors is an integer number (186176880).

Almost surely, 2^12791795115 is an apocalyptic number.

12791795115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12791795115 is a deficient number, since it is larger than the sum of its proper divisors (11038845525).

12791795115 is a wasteful number, since it uses less digits than its factorization.

12791795115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 444 counting only the distinct ones).

The product of its digits is 198450, while the sum is 48.

The spelling of 12791795115 in words is "twelve billion, seven hundred ninety-one million, seven hundred ninety-five thousand, one hundred fifteen".