8139820326911 has 16 divisors (see below), whose sum is σ = 10077519950400. Its totient is φ = 6440297389344.

The previous prime is 8139820326901. The next prime is 8139820326917. The reversal of 8139820326911 is 1196230289318.

It is not a de Polignac number, because 8139820326911 - 2¹⁰ = 8139820325887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8139820326917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264625376 + ... + 264656133.

It is an arithmetic number, because the mean of its divisors is an integer number (629844996900).

Almost surely, 2^{8139820326911} is an apocalyptic number.

8139820326911 is a deficient number, since it is larger than the sum of its proper divisors (1937699623489).

8139820326911 is an equidigital number, since it uses as much as digits as its factorization.

8139820326911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529281555 (or 529281529 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 8139820326911 in words is "eight trillion, one hundred thirty-nine billion, eight hundred twenty million, three hundred twenty-six thousand, nine hundred eleven".