21036911367 has 8 divisors (see below), whose sum is σ = 28129586800. Its totient is φ = 13984421760.

The previous prime is 21036911353. The next prime is 21036911369. The reversal of 21036911367 is 76311963012.

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

It is not a de Polignac number, because 21036911367 - 2⁶ = 21036911303 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 (21036911369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10045234 + ... + 10047327.

It is an arithmetic number, because the mean of its divisors is an integer number (3516198350).

Almost surely, 2^21036911367 is an apocalyptic number.

21036911367 is a deficient number, since it is larger than the sum of its proper divisors (7092675433).

21036911367 is a wasteful number, since it uses less digits than its factorization.

21036911367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20092913.

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 21036911367 in words is "twenty-one billion, thirty-six million, nine hundred eleven thousand, three hundred sixty-seven".