12111031139 has 2 divisors, whose sum is σ = 12111031140. Its totient is φ = 12111031138.

The previous prime is 12111031063. The next prime is 12111031151. The reversal of 12111031139 is 93113011121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12111031139 - 2²⁸ = 11842595683 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111031159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055515569 + 6055515570.

It is an arithmetic number, because the mean of its divisors is an integer number (6055515570).

Almost surely, 2^12111031139 is an apocalyptic number.

12111031139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111031139 is an equidigital number, since it uses as much as digits as its factorization.

12111031139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 12111031139 in words is "twelve billion, one hundred eleven million, thirty-one thousand, one hundred thirty-nine".