565143420117 has 16 divisors (see below), whose sum is σ = 778533327360. Its totient is φ = 364279819200.

The previous prime is 565143420103. The next prime is 565143420131. The reversal of 565143420117 is 711024341565.

It is an interprime number because it is at equal distance from previous prime (565143420103) and next prime (565143420131).

It is not a de Polignac number, because 565143420117 - 2⁶ = 565143420053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565143425117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2636634 + ... + 2842907.

It is an arithmetic number, because the mean of its divisors is an integer number (48658332960).

Almost surely, 2^565143420117 is an apocalyptic number.

It is an amenable number.

565143420117 is a deficient number, since it is larger than the sum of its proper divisors (213389907243).

565143420117 is a wasteful number, since it uses less digits than its factorization.

565143420117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480684.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 565143420117 in words is "five hundred sixty-five billion, one hundred forty-three million, four hundred twenty thousand, one hundred seventeen".