4131855306071 has 2 divisors, whose sum is σ = 4131855306072. Its totient is φ = 4131855306070.

The previous prime is 4131855306049. The next prime is 4131855306119. The reversal of 4131855306071 is 1706035581314.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4131855306071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4131855306871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065927653035 + 2065927653036.

It is an arithmetic number, because the mean of its divisors is an integer number (2065927653036).

Almost surely, 2^{4131855306071} is an apocalyptic number.

4131855306071 is a deficient number, since it is larger than the sum of its proper divisors (1).

4131855306071 is an equidigital number, since it uses as much as digits as its factorization.

4131855306071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 4131855306071 in words is "four trillion, one hundred thirty-one billion, eight hundred fifty-five million, three hundred six thousand, seventy-one".