21786546803104 has 24 divisors (see below), whose sum is σ = 42897468015360. Its totient is φ = 10891951751616.

The previous prime is 21786546803093. The next prime is 21786546803143. The reversal of 21786546803104 is 40130864568712.

It is a super-2 number, since 2×21786546803104² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41033664 + ... + 41561215.

It is an arithmetic number, because the mean of its divisors is an integer number (1787394500640).

Almost surely, 2^{21786546803104} is an apocalyptic number.

It is an amenable number.

21786546803104 is a deficient number, since it is larger than the sum of its proper divisors (21110921212256).

21786546803104 is an equidigital number, since it uses as much as digits as its factorization.

21786546803104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82603132 (or 82603124 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 21786546803104 in words is "twenty-one trillion, seven hundred eighty-six billion, five hundred forty-six million, eight hundred three thousand, one hundred four".