86550558511 has 2 divisors, whose sum is σ = 86550558512. Its totient is φ = 86550558510.

The previous prime is 86550558463. The next prime is 86550558533. The reversal of 86550558511 is 11585505568.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86550558511 - 2⁷ = 86550558383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86550558581) 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, 43275279255 + 43275279256.

It is an arithmetic number, because the mean of its divisors is an integer number (43275279256).

Almost surely, 2^86550558511 is an apocalyptic number.

86550558511 is a deficient number, since it is larger than the sum of its proper divisors (1).

86550558511 is an equidigital number, since it uses as much as digits as its factorization.

86550558511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200000, while the sum is 49.

The spelling of 86550558511 in words is "eighty-six billion, five hundred fifty million, five hundred fifty-eight thousand, five hundred eleven".