86911399111 has 2 divisors, whose sum is σ = 86911399112. Its totient is φ = 86911399110.

The previous prime is 86911399067. The next prime is 86911399181. The reversal of 86911399111 is 11199311968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86911399111 - 2⁹ = 86911398599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86911399181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43455699555 + 43455699556.

It is an arithmetic number, because the mean of its divisors is an integer number (43455699556).

Almost surely, 2^86911399111 is an apocalyptic number.

86911399111 is a deficient number, since it is larger than the sum of its proper divisors (1).

86911399111 is an equidigital number, since it uses as much as digits as its factorization.

86911399111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 49.

The spelling of 86911399111 in words is "eighty-six billion, nine hundred eleven million, three hundred ninety-nine thousand, one hundred eleven".