21424630500311 has 16 divisors (see below), whose sum is σ = 21769504850016. Its totient is φ = 21081986574336.

The previous prime is 21424630500283. The next prime is 21424630500379. The reversal of 21424630500311 is 11300503642412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21424630500311 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 (21426630500311) 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, 20809181 + ... + 21814473.

It is an arithmetic number, because the mean of its divisors is an integer number (1360594053126).

Almost surely, 2^{21424630500311} is an apocalyptic number.

21424630500311 is a deficient number, since it is larger than the sum of its proper divisors (344874349705).

21424630500311 is a wasteful number, since it uses less digits than its factorization.

21424630500311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006402.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 21424630500311 in words is "twenty-one trillion, four hundred twenty-four billion, six hundred thirty million, five hundred thousand, three hundred eleven".