5811885915 has 48 divisors (see below), whose sum is σ = 10470666528. Its totient is φ = 2749120000.

The previous prime is 5811885901. The next prime is 5811885917. The reversal of 5811885915 is 5195881185.

It is not a de Polignac number, because 5811885915 - 2⁵ = 5811885883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5811885917) 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 in 47 ways as a sum of consecutive naturals, for example, 35365 + ... + 113465.

It is an arithmetic number, because the mean of its divisors is an integer number (218138886).

Almost surely, 2^5811885915 is an apocalyptic number.

5811885915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5811885915 is a deficient number, since it is larger than the sum of its proper divisors (4658780613).

5811885915 is a wasteful number, since it uses less digits than its factorization.

5811885915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78172 (or 78161 counting only the distinct ones).

The product of its digits is 576000, while the sum is 51.

The square root of 5811885915 is about 76235.7259754244. The cubic root of 5811885915 is about 1797.9282661166.

The spelling of 5811885915 in words is "five billion, eight hundred eleven million, eight hundred eighty-five thousand, nine hundred fifteen".