12158876111 has 2 divisors, whose sum is σ = 12158876112. Its totient is φ = 12158876110.

The previous prime is 12158876099. The next prime is 12158876143. The reversal of 12158876111 is 11167885121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12158876111 - 2¹⁸ = 12158613967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12158876311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6079438055 + 6079438056.

It is an arithmetic number, because the mean of its divisors is an integer number (6079438056).

Almost surely, 2^12158876111 is an apocalyptic number.

12158876111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12158876111 is an equidigital number, since it uses as much as digits as its factorization.

12158876111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 41.

The spelling of 12158876111 in words is "twelve billion, one hundred fifty-eight million, eight hundred seventy-six thousand, one hundred eleven".