1004000011 has 16 divisors (see below), whose sum is σ = 1162468800. Its totient is φ = 849328128.

The previous prime is 1004000003. The next prime is 1004000017. The reversal of 1004000011 is 1100004001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1004000011 - 2³ = 1004000003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003999958 and 1004000003.

It is not an unprimeable number, because it can be changed into a prime (1004000017) 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 15 ways as a sum of consecutive naturals, for example, 440571 + ... + 442843.

It is an arithmetic number, because the mean of its divisors is an integer number (72654300).

Almost surely, 2^1004000011 is an apocalyptic number.

1004000011 is a deficient number, since it is larger than the sum of its proper divisors (158468789).

1004000011 is an equidigital number, since it uses as much as digits as its factorization.

1004000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1004000011 is about 31685.9592090882. The cubic root of 1004000011 is about 1001.3315631526.

Adding to 1004000011 its reverse (1100004001), we get a palindrome (2104004012).

The spelling of 1004000011 in words is "one billion, four million, eleven", and thus it is an aban number.