85526557159 has 2 divisors, whose sum is σ = 85526557160. Its totient is φ = 85526557158.

The previous prime is 85526557153. The next prime is 85526557163. The reversal of 85526557159 is 95175562558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85526557159 - 2¹⁷ = 85526426087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85526557153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42763278579 + 42763278580.

It is an arithmetic number, because the mean of its divisors is an integer number (42763278580).

Almost surely, 2^85526557159 is an apocalyptic number.

85526557159 is a deficient number, since it is larger than the sum of its proper divisors (1).

85526557159 is an equidigital number, since it uses as much as digits as its factorization.

85526557159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900000, while the sum is 58.

The spelling of 85526557159 in words is "eighty-five billion, five hundred twenty-six million, five hundred fifty-seven thousand, one hundred fifty-nine".