21350650300025 has 12 divisors (see below), whose sum is σ = 26474956817232. Its totient is φ = 17080423178640.

The previous prime is 21350650299893. The next prime is 21350650300027. The reversal of 21350650300025 is 52000305605312.

21350650300025 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 21350650300025 - 2¹⁰ = 21350650299001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21350650299964 and 21350650300000.

It is not an unprimeable number, because it can be changed into a prime (21350650300027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2236574 + ... + 6906776.

It is an arithmetic number, because the mean of its divisors is an integer number (2206246401436).

Almost surely, 2^{21350650300025} is an apocalyptic number.

21350650300025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21350650300025 is a deficient number, since it is larger than the sum of its proper divisors (5124306517207).

21350650300025 is a wasteful number, since it uses less digits than its factorization.

21350650300025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853080 (or 4853075 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 21350650300025 its reverse (52000305605312), we get a palindrome (73350955905337).

The spelling of 21350650300025 in words is "twenty-one trillion, three hundred fifty billion, six hundred fifty million, three hundred thousand, twenty-five".