21250225666341 has 48 divisors (see below), whose sum is σ = 35443469568000. Its totient is φ = 12017233003680.

The previous prime is 21250225666321. The next prime is 21250225666367. The reversal of 21250225666341 is 14366652205212.

It is not a de Polignac number, because 21250225666341 - 2⁶ = 21250225666277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21250225666301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8865160 + ... + 11004158.

It is an arithmetic number, because the mean of its divisors is an integer number (738405616000).

Almost surely, 2^{21250225666341} is an apocalyptic number.

21250225666341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21250225666341 is a deficient number, since it is larger than the sum of its proper divisors (14193243901659).

21250225666341 is a wasteful number, since it uses less digits than its factorization.

21250225666341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140646 (or 2140643 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 21250225666341 in words is "twenty-one trillion, two hundred fifty billion, two hundred twenty-five million, six hundred sixty-six thousand, three hundred forty-one".