1005211011 has 8 divisors (see below), whose sum is σ = 1531750144. Its totient is φ = 574406280.

The previous prime is 1005211007. The next prime is 1005211013. The reversal of 1005211011 is 1101125001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1005211011 - 2² = 1005211007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005211013) 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 7 ways as a sum of consecutive naturals, for example, 23933575 + ... + 23933616.

It is an arithmetic number, because the mean of its divisors is an integer number (191468768).

Almost surely, 2^1005211011 is an apocalyptic number.

1005211011 is a deficient number, since it is larger than the sum of its proper divisors (526539133).

1005211011 is an equidigital number, since it uses as much as digits as its factorization.

1005211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47867201.

The product of its (nonzero) digits is 10, while the sum is 12.

The square root of 1005211011 is about 31705.0628606852. The cubic root of 1005211011 is about 1001.7339951895.

Adding to 1005211011 its reverse (1101125001), we get a palindrome (2106336012).

The spelling of 1005211011 in words is "one billion, five million, two hundred eleven thousand, eleven".