56128112297 has 2 divisors, whose sum is σ = 56128112298. Its totient is φ = 56128112296.

The previous prime is 56128112251. The next prime is 56128112317. The reversal of 56128112297 is 79221182165.

56128112297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56125874281 + 2238016 = 236909^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 56128112297 - 2¹⁶ = 56128046761 is a prime.

It is not a weakly prime, because it can be changed into another prime (56128112197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28064056148 + 28064056149.

It is an arithmetic number, because the mean of its divisors is an integer number (28064056149).

Almost surely, 2^56128112297 is an apocalyptic number.

It is an amenable number.

56128112297 is a deficient number, since it is larger than the sum of its proper divisors (1).

56128112297 is an equidigital number, since it uses as much as digits as its factorization.

56128112297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 44.

The spelling of 56128112297 in words is "fifty-six billion, one hundred twenty-eight million, one hundred twelve thousand, two hundred ninety-seven".