5816115881 has 2 divisors, whose sum is σ = 5816115882. Its totient is φ = 5816115880.

The previous prime is 5816115827. The next prime is 5816115889. The reversal of 5816115881 is 1885116185.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4554090256 + 1262025625 = 67484^2 + 35525^2 .

It is a cyclic number.

It is not a de Polignac number, because 5816115881 - 2⁶ = 5816115817 is a prime.

It is a super-2 number, since 2×5816115881² = 67654407882440812322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5816115889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2908057940 + 2908057941.

It is an arithmetic number, because the mean of its divisors is an integer number (2908057941).

Almost surely, 2^5816115881 is an apocalyptic number.

It is an amenable number.

5816115881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5816115881 is an equidigital number, since it uses as much as digits as its factorization.

5816115881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 44.

The square root of 5816115881 is about 76263.4636047957. The cubic root of 5816115881 is about 1798.3643455146.

The spelling of 5816115881 in words is "five billion, eight hundred sixteen million, one hundred fifteen thousand, eight hundred eighty-one".