11871351139 has 2 divisors, whose sum is σ = 11871351140. Its totient is φ = 11871351138.

The previous prime is 11871351137. The next prime is 11871351187. The reversal of 11871351139 is 93115317811.

11871351139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11871351139 - 2¹ = 11871351137 is a prime.

Together with 11871351137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11871351137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5935675569 + 5935675570.

It is an arithmetic number, because the mean of its divisors is an integer number (5935675570).

Almost surely, 2^11871351139 is an apocalyptic number.

11871351139 is a deficient number, since it is larger than the sum of its proper divisors (1).

11871351139 is an equidigital number, since it uses as much as digits as its factorization.

11871351139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 40.

The spelling of 11871351139 in words is "eleven billion, eight hundred seventy-one million, three hundred fifty-one thousand, one hundred thirty-nine".