85938521113 has 2 divisors, whose sum is σ = 85938521114. Its totient is φ = 85938521112.

The previous prime is 85938521101. The next prime is 85938521153. The reversal of 85938521113 is 31112583958.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63709798464 + 22228722649 = 252408^2 + 149093^2 .

It is a cyclic number.

It is not a de Polignac number, because 85938521113 - 2³³ = 77348586521 is a prime.

It is a super-2 number, since 2×85938521113² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85938521153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42969260556 + 42969260557.

It is an arithmetic number, because the mean of its divisors is an integer number (42969260557).

Almost surely, 2^85938521113 is an apocalyptic number.

It is an amenable number.

85938521113 is a deficient number, since it is larger than the sum of its proper divisors (1).

85938521113 is an equidigital number, since it uses as much as digits as its factorization.

85938521113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 46.

The spelling of 85938521113 in words is "eighty-five billion, nine hundred thirty-eight million, five hundred twenty-one thousand, one hundred thirteen".