85126010089 has 2 divisors, whose sum is σ = 85126010090. Its totient is φ = 85126010088.

The previous prime is 85126010063. The next prime is 85126010197. The reversal of 85126010089 is 98001062158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65779425625 + 19346584464 = 256475^2 + 139092^2 .

It is a cyclic number.

It is not a de Polignac number, because 85126010089 - 2¹³ = 85126001897 is a prime.

It is not a weakly prime, because it can be changed into another prime (85126010789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42563005044 + 42563005045.

It is an arithmetic number, because the mean of its divisors is an integer number (42563005045).

Almost surely, 2^85126010089 is an apocalyptic number.

It is an amenable number.

85126010089 is a deficient number, since it is larger than the sum of its proper divisors (1).

85126010089 is an equidigital number, since it uses as much as digits as its factorization.

85126010089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 85126010089 in words is "eighty-five billion, one hundred twenty-six million, ten thousand, eighty-nine".