85268896121 has 2 divisors, whose sum is σ = 85268896122. Its totient is φ = 85268896120.

The previous prime is 85268896117. The next prime is 85268896133. The reversal of 85268896121 is 12169886258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74616385600 + 10652510521 = 273160^2 + 103211^2 .

It is a cyclic number.

It is not a de Polignac number, because 85268896121 - 2² = 85268896117 is a prime.

It is not a weakly prime, because it can be changed into another prime (85268896171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42634448060 + 42634448061.

It is an arithmetic number, because the mean of its divisors is an integer number (42634448061).

Almost surely, 2^85268896121 is an apocalyptic number.

It is an amenable number.

85268896121 is a deficient number, since it is larger than the sum of its proper divisors (1).

85268896121 is an equidigital number, since it uses as much as digits as its factorization.

85268896121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 56.

The spelling of 85268896121 in words is "eighty-five billion, two hundred sixty-eight million, eight hundred ninety-six thousand, one hundred twenty-one".