21065059124008 has 32 divisors (see below), whose sum is σ = 40508716844160. Its totient is φ = 10265366779200.

The previous prime is 21065059124003. The next prime is 21065059124033. The reversal of 21065059124008 is 80042195056012.

It is not an unprimeable number, because it can be changed into a prime (21065059124003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164445060 + ... + 164573107.

It is an arithmetic number, because the mean of its divisors is an integer number (1265897401380).

Almost surely, 2^{21065059124008} is an apocalyptic number.

It is an amenable number.

21065059124008 is a deficient number, since it is larger than the sum of its proper divisors (19443657720152).

21065059124008 is a wasteful number, since it uses less digits than its factorization.

21065059124008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329018377 (or 329018373 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 21065059124008 in words is "twenty-one trillion, sixty-five billion, fifty-nine million, one hundred twenty-four thousand, eight".