21362256225326 has 4 divisors (see below), whose sum is σ = 32043384337992. Its totient is φ = 10681128112662.

The previous prime is 21362256225313. The next prime is 21362256225371. The reversal of 21362256225326 is 62352265226312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5340564056330 + ... + 5340564056333.

It is an arithmetic number, because the mean of its divisors is an integer number (8010846084498).

Almost surely, 2^{21362256225326} is an apocalyptic number.

21362256225326 is a deficient number, since it is larger than the sum of its proper divisors (10681128112666).

21362256225326 is a wasteful number, since it uses less digits than its factorization.

21362256225326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10681128112665.

The product of its digits is 3110400, while the sum is 47.

The spelling of 21362256225326 in words is "twenty-one trillion, three hundred sixty-two billion, two hundred fifty-six million, two hundred twenty-five thousand, three hundred twenty-six".