21041040240311 has 16 divisors (see below), whose sum is σ = 26261406678528. Its totient is φ = 16413379164000.

The previous prime is 21041040240301. The next prime is 21041040240323. The reversal of 21041040240311 is 11304204014012.

It is not a de Polignac number, because 21041040240311 - 2¹⁴ = 21041040223927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041040240301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628304965 + ... + 1628317886.

It is an arithmetic number, because the mean of its divisors is an integer number (1641337917408).

Almost surely, 2^{21041040240311} is an apocalyptic number.

21041040240311 is a deficient number, since it is larger than the sum of its proper divisors (5220366438217).

21041040240311 is a wasteful number, since it uses less digits than its factorization.

21041040240311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256622942.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21041040240311 its reverse (11304204014012), we get a palindrome (32345244254323).

The spelling of 21041040240311 in words is "twenty-one trillion, forty-one billion, forty million, two hundred forty thousand, three hundred eleven".