12257717115 has 32 divisors (see below), whose sum is σ = 22421039616. Its totient is φ = 5601795840.

The previous prime is 12257717107. The next prime is 12257717167. The reversal of 12257717115 is 51171775221.

It is not a de Polignac number, because 12257717115 - 2³ = 12257717107 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361020 + ... + 393510.

It is an arithmetic number, because the mean of its divisors is an integer number (700657488).

Almost surely, 2^12257717115 is an apocalyptic number.

12257717115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12257717115 is a deficient number, since it is larger than the sum of its proper divisors (10163322501).

12257717115 is a wasteful number, since it uses less digits than its factorization.

12257717115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36099.

The product of its digits is 34300, while the sum is 39.

The spelling of 12257717115 in words is "twelve billion, two hundred fifty-seven million, seven hundred seventeen thousand, one hundred fifteen".