12586171139 has 2 divisors, whose sum is σ = 12586171140. Its totient is φ = 12586171138.

The previous prime is 12586171111. The next prime is 12586171189. The reversal of 12586171139 is 93117168521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12586171139 - 2¹² = 12586167043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12586171139.

It is not a weakly prime, because it can be changed into another prime (12586171189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6293085569 + 6293085570.

It is an arithmetic number, because the mean of its divisors is an integer number (6293085570).

Almost surely, 2^12586171139 is an apocalyptic number.

12586171139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12586171139 is an equidigital number, since it uses as much as digits as its factorization.

12586171139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 44.

The spelling of 12586171139 in words is "twelve billion, five hundred eighty-six million, one hundred seventy-one thousand, one hundred thirty-nine".