21266044124335 has 16 divisors (see below), whose sum is σ = 25589303591040. Its totient is φ = 16966144409760.

The previous prime is 21266044124333. The next prime is 21266044124417. The reversal of 21266044124335 is 53342144066212.

It is not a de Polignac number, because 21266044124335 - 2¹ = 21266044124333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21266044124291 and 21266044124300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21266044124333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17394244 + ... + 18576646.

It is an arithmetic number, because the mean of its divisors is an integer number (1599331474440).

Almost surely, 2^{21266044124335} is an apocalyptic number.

21266044124335 is a deficient number, since it is larger than the sum of its proper divisors (4323259466705).

21266044124335 is a wasteful number, since it uses less digits than its factorization.

21266044124335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192278.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 21266044124335 in words is "twenty-one trillion, two hundred sixty-six billion, forty-four million, one hundred twenty-four thousand, three hundred thirty-five".