5081881805 has 32 divisors (see below), whose sum is σ = 8187879168. Its totient is φ = 2924236800.

The previous prime is 5081881799. The next prime is 5081881811.

5081881805 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (5081881799) and next prime (5081881811).

It is not a de Polignac number, because 5081881805 - 2¹⁴ = 5081865421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 502676 + ... + 512685.

It is an arithmetic number, because the mean of its divisors is an integer number (255871224).

Almost surely, 2^5081881805 is an apocalyptic number.

5081881805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5081881805 is a deficient number, since it is larger than the sum of its proper divisors (3105997363).

5081881805 is a wasteful number, since it uses less digits than its factorization.

5081881805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015397.

The product of its (nonzero) digits is 102400, while the sum is 44.

The square root of 5081881805 is about 71287.3186829186. The cubic root of 5081881805 is about 1719.2598452550.

The spelling of 5081881805 in words is "five billion, eighty-one million, eight hundred eighty-one thousand, eight hundred five".