564778404378151 has 2 divisors, whose sum is σ = 564778404378152. Its totient is φ = 564778404378150.

The previous prime is 564778404378091. The next prime is 564778404378161. The reversal of 564778404378151 is 151873404877465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564778404378151 - 2³⁵ = 564744044639783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564778404378161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282389202189075 + 282389202189076.

It is an arithmetic number, because the mean of its divisors is an integer number (282389202189076).

Almost surely, 2^{564778404378151} is an apocalyptic number.

564778404378151 is a deficient number, since it is larger than the sum of its proper divisors (1).

564778404378151 is an equidigital number, since it uses as much as digits as its factorization.

564778404378151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 632217600, while the sum is 70.

The spelling of 564778404378151 in words is "five hundred sixty-four trillion, seven hundred seventy-eight billion, four hundred four million, three hundred seventy-eight thousand, one hundred fifty-one".