21842183162311 has 2 divisors, whose sum is σ = 21842183162312. Its totient is φ = 21842183162310.

The previous prime is 21842183162273. The next prime is 21842183162347. The reversal of 21842183162311 is 11326138124812.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21842183162311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21842183162411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10921091581155 + 10921091581156.

It is an arithmetic number, because the mean of its divisors is an integer number (10921091581156).

Almost surely, 2^{21842183162311} is an apocalyptic number.

21842183162311 is a deficient number, since it is larger than the sum of its proper divisors (1).

21842183162311 is an equidigital number, since it uses as much as digits as its factorization.

21842183162311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 43.

The spelling of 21842183162311 in words is "twenty-one trillion, eight hundred forty-two billion, one hundred eighty-three million, one hundred sixty-two thousand, three hundred eleven".