10021541543205 has 32 divisors (see below), whose sum is σ = 16112442153600. Its totient is φ = 5318853326592.

The previous prime is 10021541543201. The next prime is 10021541543207. The reversal of 10021541543205 is 50234514512001.

10021541543205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10021541543205 - 2² = 10021541543201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021541543201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6243091 + ... + 7682399.

It is an arithmetic number, because the mean of its divisors is an integer number (503513817300).

Almost surely, 2^{10021541543205} is an apocalyptic number.

10021541543205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10021541543205 is a deficient number, since it is larger than the sum of its proper divisors (6090900610395).

10021541543205 is a wasteful number, since it uses less digits than its factorization.

10021541543205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441573.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 10021541543205 in words is "ten trillion, twenty-one billion, five hundred forty-one million, five hundred forty-three thousand, two hundred five".