564877848500121 has 24 divisors (see below), whose sum is σ = 847905443894656. Its totient is φ = 332503348937760.

The previous prime is 564877848500101. The next prime is 564877848500201. The reversal of 564877848500121 is 121005848778465.

It is not a de Polignac number, because 564877848500121 - 2¹⁵ = 564877848467353 is a prime.

It is a super-2 number, since 2×564877848500121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564877848500101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13690005265 + ... + 13690046526.

Almost surely, 2^{564877848500121} is an apocalyptic number.

It is an amenable number.

564877848500121 is a deficient number, since it is larger than the sum of its proper divisors (283027595394535).

564877848500121 is a wasteful number, since it uses less digits than its factorization.

564877848500121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27380051853 (or 27380051830 counting only the distinct ones).

The product of its (nonzero) digits is 120422400, while the sum is 66.

The spelling of 564877848500121 in words is "five hundred sixty-four trillion, eight hundred seventy-seven billion, eight hundred forty-eight million, five hundred thousand, one hundred twenty-one".