85285058311 has 2 divisors, whose sum is σ = 85285058312. Its totient is φ = 85285058310.

The previous prime is 85285058267. The next prime is 85285058321. The reversal of 85285058311 is 11385058258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85285058311 - 2²⁵ = 85251503879 is a prime.

It is a super-2 number, since 2×85285058311² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85285058321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42642529155 + 42642529156.

It is an arithmetic number, because the mean of its divisors is an integer number (42642529156).

Almost surely, 2^85285058311 is an apocalyptic number.

85285058311 is a deficient number, since it is larger than the sum of its proper divisors (1).

85285058311 is an equidigital number, since it uses as much as digits as its factorization.

85285058311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384000, while the sum is 46.

The spelling of 85285058311 in words is "eighty-five billion, two hundred eighty-five million, fifty-eight thousand, three hundred eleven".