565531145565130 has 64 divisors (see below), whose sum is σ = 1022862141354240. Its totient is φ = 225124925819904.

The previous prime is 565531145565121. The next prime is 565531145565161. The reversal of 565531145565130 is 31565541135565.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 8965410931 + ... + 8965474009.

It is an arithmetic number, because the mean of its divisors is an integer number (15982220958660).

Almost surely, 2^{565531145565130} is an apocalyptic number.

565531145565130 is a deficient number, since it is larger than the sum of its proper divisors (457330995789110).

565531145565130 is a wasteful number, since it uses less digits than its factorization.

565531145565130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68383.

The product of its (nonzero) digits is 20250000, while the sum is 55.

The spelling of 565531145565130 in words is "five hundred sixty-five trillion, five hundred thirty-one billion, one hundred forty-five million, five hundred sixty-five thousand, one hundred thirty".