12115665307 has 2 divisors, whose sum is σ = 12115665308. Its totient is φ = 12115665306.

The previous prime is 12115665277. The next prime is 12115665313. The reversal of 12115665307 is 70356651121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12115665307 is a prime.

It is not a weakly prime, because it can be changed into another prime (12115665347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6057832653 + 6057832654.

It is an arithmetic number, because the mean of its divisors is an integer number (6057832654).

Almost surely, 2^12115665307 is an apocalyptic number.

12115665307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12115665307 is an equidigital number, since it uses as much as digits as its factorization.

12115665307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 12115665307 in words is "twelve billion, one hundred fifteen million, six hundred sixty-five thousand, three hundred seven".