4011808903871 has 2 divisors, whose sum is σ = 4011808903872. Its totient is φ = 4011808903870.

The previous prime is 4011808903847. The next prime is 4011808903873. The reversal of 4011808903871 is 1783098081104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4011808903871 is a prime.

It is a super-2 number, since 2×4011808903871² (a number of 26 digits) contains 22 as substring.

Together with 4011808903873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4011808903873) 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 as a sum of consecutive naturals, namely, 2005904451935 + 2005904451936.

It is an arithmetic number, because the mean of its divisors is an integer number (2005904451936).

Almost surely, 2^{4011808903871} is an apocalyptic number.

4011808903871 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011808903871 is an equidigital number, since it uses as much as digits as its factorization.

4011808903871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 50.

The spelling of 4011808903871 in words is "four trillion, eleven billion, eight hundred eight million, nine hundred three thousand, eight hundred seventy-one".