4871582015891 has 2 divisors, whose sum is σ = 4871582015892. Its totient is φ = 4871582015890.

The previous prime is 4871582015843. The next prime is 4871582015893. The reversal of 4871582015891 is 1985102851784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4871582015891 - 2¹⁰ = 4871582014867 is a prime.

It is a super-2 number, since 2×4871582015891² (a number of 26 digits) contains 22 as substring.

Together with 4871582015893, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4871582015891.

It is not a weakly prime, because it can be changed into another prime (4871582015893) 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, 2435791007945 + 2435791007946.

It is an arithmetic number, because the mean of its divisors is an integer number (2435791007946).

Almost surely, 2^{4871582015891} is an apocalyptic number.

4871582015891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4871582015891 is an equidigital number, since it uses as much as digits as its factorization.

4871582015891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 59.

The spelling of 4871582015891 in words is "four trillion, eight hundred seventy-one billion, five hundred eighty-two million, fifteen thousand, eight hundred ninety-one".