1005880115 has 4 divisors (see below), whose sum is σ = 1207056144. Its totient is φ = 804704088.

The previous prime is 1005880111. The next prime is 1005880129. The reversal of 1005880115 is 5110885001.

1005880115 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1005880115 - 2² = 1005880111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005880111) 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 in 3 ways as a sum of consecutive naturals, for example, 100588007 + ... + 100588016.

It is an arithmetic number, because the mean of its divisors is an integer number (301764036).

Almost surely, 2^1005880115 is an apocalyptic number.

1005880115 is a deficient number, since it is larger than the sum of its proper divisors (201176029).

1005880115 is an equidigital number, since it uses as much as digits as its factorization.

1005880115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201176028.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 1005880115 is about 31715.6131108954. The cubic root of 1005880115 is about 1001.9562090840.

The spelling of 1005880115 in words is "one billion, five million, eight hundred eighty thousand, one hundred fifteen".