564216155055131 has 4 divisors (see below), whose sum is σ = 577977524690664. Its totient is φ = 550454785419600.

The previous prime is 564216155055103. The next prime is 564216155055181. The reversal of 564216155055131 is 131550551612465.

It is a happy number.

564216155055131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564216155055131 - 2⁶ = 564216155055067 is a prime.

It is a super-2 number, since 2×564216155055131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 564216155055131.

It is not an unprimeable number, because it can be changed into a prime (564216155055181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6880684817705 + ... + 6880684817786.

It is an arithmetic number, because the mean of its divisors is an integer number (144494381172666).

Almost surely, 2^{564216155055131} is an apocalyptic number.

564216155055131 is a deficient number, since it is larger than the sum of its proper divisors (13761369635533).

564216155055131 is a wasteful number, since it uses less digits than its factorization.

564216155055131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13761369635532.

The product of its (nonzero) digits is 2700000, while the sum is 50.

The spelling of 564216155055131 in words is "five hundred sixty-four trillion, two hundred sixteen billion, one hundred fifty-five million, fifty-five thousand, one hundred thirty-one".