21136041335311 has 8 divisors (see below), whose sum is σ = 24156894105504. Its totient is φ = 18115543138560.

The previous prime is 21136041335309. The next prime is 21136041335323. The reversal of 21136041335311 is 11353314063112.

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

It is not a de Polignac number, because 21136041335311 - 2¹ = 21136041335309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21136041335111) 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, 88515610 + ... + 88754071.

It is an arithmetic number, because the mean of its divisors is an integer number (3019611763188).

Almost surely, 2^{21136041335311} is an apocalyptic number.

21136041335311 is a deficient number, since it is larger than the sum of its proper divisors (3020852770193).

21136041335311 is a wasteful number, since it uses less digits than its factorization.

21136041335311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177286721.

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 21136041335311 its reverse (11353314063112), we get a palindrome (32489355398423).

The spelling of 21136041335311 in words is "twenty-one trillion, one hundred thirty-six billion, forty-one million, three hundred thirty-five thousand, three hundred eleven".