5081881811 has 2 divisors, whose sum is σ = 5081881812. Its totient is φ = 5081881810.

The previous prime is 5081881799. The next prime is 5081881813. The reversal of 5081881811 is 1181881805.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5081881811 - 2¹⁴ = 5081865427 is a prime.

Together with 5081881813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5081881813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540940905 + 2540940906.

It is an arithmetic number, because the mean of its divisors is an integer number (2540940906).

Almost surely, 2^5081881811 is an apocalyptic number.

5081881811 is a deficient number, since it is larger than the sum of its proper divisors (1).

5081881811 is an equidigital number, since it uses as much as digits as its factorization.

5081881811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20480, while the sum is 41.

The square root of 5081881811 is about 71287.3187250019. The cubic root of 5081881811 is about 1719.2598459317.

The spelling of 5081881811 in words is "five billion, eighty-one million, eight hundred eighty-one thousand, eight hundred eleven".