10421443010565 has 192 divisors, whose sum is σ = 19546640934912. Its totient is φ = 5117690880000.

The previous prime is 10421443010551. The next prime is 10421443010581. The reversal of 10421443010565 is 56501034412401.

10421443010565 is a `hidden beast` number, since 1 + 0 + 4 + 21 + 44 + 30 + 1 + 0 + 565 = 666.

It is not a de Polignac number, because 10421443010565 - 2⁷ = 10421443010437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4432769140 + ... + 4432771490.

It is an arithmetic number, because the mean of its divisors is an integer number (101805421536).

Almost surely, 2^{10421443010565} is an apocalyptic number.

10421443010565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10421443010565 is a deficient number, since it is larger than the sum of its proper divisors (9125197924347).

10421443010565 is a wasteful number, since it uses less digits than its factorization.

10421443010565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140 (or 3137 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 10421443010565 its reverse (56501034412401), we get a palindrome (66922477422966).

The spelling of 10421443010565 in words is "ten trillion, four hundred twenty-one billion, four hundred forty-three million, ten thousand, five hundred sixty-five".