1000505011 has 8 divisors (see below), whose sum is σ = 1098690048. Its totient is φ = 903525000.

The previous prime is 1000504979. The next prime is 1000505041. The reversal of 1000505011 is 1105050001.

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 1000505011 - 2⁵ = 1000504979 is a prime.

It is a super-2 number, since 2×1000505011² = 2002020554072220242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000504982 and 1000505000.

It is not an unprimeable number, because it can be changed into a prime (1000505041) 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 7 ways as a sum of consecutive naturals, for example, 299515 + ... + 302836.

It is an arithmetic number, because the mean of its divisors is an integer number (137336256).

Almost surely, 2^1000505011 is an apocalyptic number.

1000505011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000505011 is a deficient number, since it is larger than the sum of its proper divisors (98185037).

1000505011 is a wasteful number, since it uses less digits than its factorization.

1000505011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602513.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 1000505011 is about 31630.7605188367. The cubic root of 1000505011 is about 1000.1683086706.

Adding to 1000505011 its reverse (1105050001), we get a palindrome (2105555012).

The spelling of 1000505011 in words is "one billion, five hundred five thousand, eleven".