564770115531 has 6 divisors (see below), whose sum is σ = 815779055780. Its totient is φ = 376513410348.

The previous prime is 564770115521. The next prime is 564770115557. The reversal of 564770115531 is 135511077465.

564770115531 is a `hidden beast` number, since 5 + 6 + 47 + 70 + 1 + 1 + 5 + 531 = 666.

It is not a de Polignac number, because 564770115531 - 2¹⁷ = 564769984459 is a prime.

It is a super-3 number, since 3×564770115531³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564770115521) 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 5 ways as a sum of consecutive naturals, for example, 31376117521 + ... + 31376117538.

Almost surely, 2^564770115531 is an apocalyptic number.

564770115531 is a deficient number, since it is larger than the sum of its proper divisors (251008940249).

564770115531 is a wasteful number, since it uses less digits than its factorization.

564770115531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62752235065 (or 62752235062 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 564770115531 in words is "five hundred sixty-four billion, seven hundred seventy million, one hundred fifteen thousand, five hundred thirty-one".