28271120754113 has 2 divisors, whose sum is σ = 28271120754114. Its totient is φ = 28271120754112.

The previous prime is 28271120754101. The next prime is 28271120754139. The reversal of 28271120754113 is 31145702117282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26047631201344 + 2223489552769 = 5103688^2 + 1491137^2 .

It is a cyclic number.

It is not a de Polignac number, because 28271120754113 - 2⁸ = 28271120753857 is a prime.

It is not a weakly prime, because it can be changed into another prime (28271120754193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14135560377056 + 14135560377057.

It is an arithmetic number, because the mean of its divisors is an integer number (14135560377057).

Almost surely, 2^{28271120754113} is an apocalyptic number.

It is an amenable number.

28271120754113 is a deficient number, since it is larger than the sum of its proper divisors (1).

28271120754113 is an equidigital number, since it uses as much as digits as its factorization.

28271120754113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 28271120754113 in words is "twenty-eight trillion, two hundred seventy-one billion, one hundred twenty million, seven hundred fifty-four thousand, one hundred thirteen".