2011259904 has 88 divisors (see below), whose sum is σ = 5374603200. Its totient is φ = 668688384.

The previous prime is 2011259903. The next prime is 2011259911. The reversal of 2011259904 is 4099521102.

It is not an unprimeable number, because it can be changed into a prime (2011259903) 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, 1839582 + ... + 1840674.

Almost surely, 2^2011259904 is an apocalyptic number.

2011259904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011259904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2687301600).

2011259904 is an abundant number, since it is smaller than the sum of its proper divisors (3363343296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011259904 is a wasteful number, since it uses less digits than its factorization.

2011259904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 2011259904 is about 44847.0724128120. The cubic root of 2011259904 is about 1262.2810581874.

The spelling of 2011259904 in words is "two billion, eleven million, two hundred fifty-nine thousand, nine hundred four".