21514413343511 has 16 divisors (see below), whose sum is σ = 23896589442048. Its totient is φ = 19205651217600.

The previous prime is 21514413343487. The next prime is 21514413343523. The reversal of 21514413343511 is 11534331441512.

It is a cyclic number.

It is not a de Polignac number, because 21514413343511 - 2¹⁸ = 21514413081367 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 (21514413343811) 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 15 ways as a sum of consecutive naturals, for example, 58832135 + ... + 59196696.

It is an arithmetic number, because the mean of its divisors is an integer number (1493536840128).

Almost surely, 2^{21514413343511} is an apocalyptic number.

21514413343511 is a deficient number, since it is larger than the sum of its proper divisors (2382176098537).

21514413343511 is a wasteful number, since it uses less digits than its factorization.

21514413343511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118029142.

The product of its digits is 86400, while the sum is 38.

The spelling of 21514413343511 in words is "twenty-one trillion, five hundred fourteen billion, four hundred thirteen million, three hundred forty-three thousand, five hundred eleven".