1004455011 has 16 divisors (see below), whose sum is σ = 1597146624. Its totient is φ = 549018624.

The previous prime is 1004455009. The next prime is 1004455031. The reversal of 1004455011 is 1105544001.

It is not a de Polignac number, because 1004455011 - 2¹ = 1004455009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1004455031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039326 + ... + 1040291.

It is an arithmetic number, because the mean of its divisors is an integer number (99821664).

Almost surely, 2^1004455011 is an apocalyptic number.

1004455011 is a deficient number, since it is larger than the sum of its proper divisors (592691613).

1004455011 is a wasteful number, since it uses less digits than its factorization.

1004455011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079650.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1004455011 is about 31693.1382321158. The cubic root of 1004455011 is about 1001.4828038726.

Adding to 1004455011 its reverse (1105544001), we get a palindrome (2109999012).

The spelling of 1004455011 in words is "one billion, four million, four hundred fifty-five thousand, eleven".