564551155465 has 16 divisors (see below), whose sum is σ = 739063420416. Its totient is φ = 410574528000.

The previous prime is 564551155463. The next prime is 564551155549.

564551155465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 564551155465 - 2¹ = 564551155463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564551155463) 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 in 15 ways as a sum of consecutive naturals, for example, 5093224 + ... + 5202886.

It is an arithmetic number, because the mean of its divisors is an integer number (46191463776).

Almost surely, 2^564551155465 is an apocalyptic number.

564551155465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564551155465 is a deficient number, since it is larger than the sum of its proper divisors (174512264951).

564551155465 is a wasteful number, since it uses less digits than its factorization.

564551155465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203280.

The product of its digits is 9000000, while the sum is 52.

The spelling of 564551155465 in words is "five hundred sixty-four billion, five hundred fifty-one million, one hundred fifty-five thousand, four hundred sixty-five".