85238004101 has 2 divisors, whose sum is σ = 85238004102. Its totient is φ = 85238004100.

The previous prime is 85238004091. The next prime is 85238004119. The reversal of 85238004101 is 10140083258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56202184900 + 29035819201 = 237070^2 + 170399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85238004101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85238004161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42619002050 + 42619002051.

It is an arithmetic number, because the mean of its divisors is an integer number (42619002051).

Almost surely, 2^85238004101 is an apocalyptic number.

It is an amenable number.

85238004101 is a deficient number, since it is larger than the sum of its proper divisors (1).

85238004101 is an equidigital number, since it uses as much as digits as its factorization.

85238004101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

Adding to 85238004101 its reverse (10140083258), we get a palindrome (95378087359).

The spelling of 85238004101 in words is "eighty-five billion, two hundred thirty-eight million, four thousand, one hundred one".