21336363515011 has 8 divisors (see below), whose sum is σ = 21644240736384. Its totient is φ = 21030380923200.

The previous prime is 21336363514957. The next prime is 21336363515059. The reversal of 21336363515011 is 11051536363312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21336363515011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21336363515111) 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 7 ways as a sum of consecutive naturals, for example, 473634706 + ... + 473679751.

It is an arithmetic number, because the mean of its divisors is an integer number (2705530092048).

Almost surely, 2^{21336363515011} is an apocalyptic number.

21336363515011 is a deficient number, since it is larger than the sum of its proper divisors (307877221373).

21336363515011 is a wasteful number, since it uses less digits than its factorization.

21336363515011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947314781.

The product of its (nonzero) digits is 145800, while the sum is 40.

Adding to 21336363515011 its reverse (11051536363312), we get a palindrome (32387899878323).

The spelling of 21336363515011 in words is "twenty-one trillion, three hundred thirty-six billion, three hundred sixty-three million, five hundred fifteen thousand, eleven".