2001011504 has 40 divisors (see below), whose sum is σ = 3994833600. Its totient is φ = 970265088.

The previous prime is 2001011501. The next prime is 2001011527. The reversal of 2001011504 is 4051101002.

It is not an unprimeable number, because it can be changed into a prime (2001011501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179897 + ... + 190695.

It is an arithmetic number, because the mean of its divisors is an integer number (99870840).

Almost surely, 2^2001011504 is an apocalyptic number.

It is an amenable number.

2001011504 is a deficient number, since it is larger than the sum of its proper divisors (1993822096).

2001011504 is a wasteful number, since it uses less digits than its factorization.

2001011504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11157 (or 11151 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2001011504 is about 44732.6670789927. The cubic root of 2001011504 is about 1260.1334166275.

Adding to 2001011504 its reverse (4051101002), we get a palindrome (6052112506).

The spelling of 2001011504 in words is "two billion, one million, eleven thousand, five hundred four".