5081111805 has 64 divisors (see below), whose sum is σ = 10278752256. Its totient is φ = 2081856000.

The previous prime is 5081111753. The next prime is 5081111831.

5081111805 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5081111805 - 2⁶ = 5081111741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51025 + ... + 112985.

It is an arithmetic number, because the mean of its divisors is an integer number (160605504).

Almost surely, 2^5081111805 is an apocalyptic number.

5081111805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5081111805 is an abundant number, since it is smaller than the sum of its proper divisors (5197640451).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5081111805 is a wasteful number, since it uses less digits than its factorization.

5081111805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62058.

The product of its (nonzero) digits is 1600, while the sum is 30.

The square root of 5081111805 is about 71281.9177982748. The cubic root of 5081111805 is about 1719.1730075442.

It can be divided in two parts, 5081 and 111805, that added together give a triangular number (116886 = T₄₈₃).

The spelling of 5081111805 in words is "five billion, eighty-one million, one hundred eleven thousand, eight hundred five".