12158487071 has 2 divisors, whose sum is σ = 12158487072. Its totient is φ = 12158487070.

The previous prime is 12158487053. The next prime is 12158487167. The reversal of 12158487071 is 17078485121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12158487071 - 2⁶ = 12158487007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12158487001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6079243535 + 6079243536.

It is an arithmetic number, because the mean of its divisors is an integer number (6079243536).

Almost surely, 2^12158487071 is an apocalyptic number.

12158487071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12158487071 is an equidigital number, since it uses as much as digits as its factorization.

12158487071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125440, while the sum is 44.

The spelling of 12158487071 in words is "twelve billion, one hundred fifty-eight million, four hundred eighty-seven thousand, seventy-one".