1005012011 has 8 divisors (see below), whose sum is σ = 1058376000. Its totient is φ = 951694920.

The previous prime is 1005011989. The next prime is 1005012017. The reversal of 1005012011 is 1102105001.

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

It is a cyclic number.

It is not a de Polignac number, because 1005012011 - 2⁶ = 1005011947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1005011983 and 1005012001.

It is not an unprimeable number, because it can be changed into a prime (1005012017) 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, 37640 + ... + 58538.

It is an arithmetic number, because the mean of its divisors is an integer number (132297000).

Almost surely, 2^1005012011 is an apocalyptic number.

1005012011 is a deficient number, since it is larger than the sum of its proper divisors (53363989).

1005012011 is a wasteful number, since it uses less digits than its factorization.

1005012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23449.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 1005012011 is about 31701.9244053102. The cubic root of 1005012011 is about 1001.6678869399.

Adding to 1005012011 its reverse (1102105001), we get a palindrome (2107117012).

The spelling of 1005012011 in words is "one billion, five million, twelve thousand, eleven".