10564040204021 has 16 divisors (see below), whose sum is σ = 11185618268160. Its totient is φ = 9956505839280.

The previous prime is 10564040203991. The next prime is 10564040204023. The reversal of 10564040204021 is 12040204046501.

It is a cyclic number.

It is not a de Polignac number, because 10564040204021 - 2⁶ = 10564040203957 is a prime.

It is a super-2 number, since 2×10564040204021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10564040204023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5028425 + ... + 6812718.

It is an arithmetic number, because the mean of its divisors is an integer number (699101141760).

Almost surely, 2^{10564040204021} is an apocalyptic number.

It is an amenable number.

10564040204021 is a deficient number, since it is larger than the sum of its proper divisors (621578064139).

10564040204021 is a wasteful number, since it uses less digits than its factorization.

10564040204021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11841736.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 10564040204021 in words is "ten trillion, five hundred sixty-four billion, forty million, two hundred four thousand, twenty-one".