2011625256 has 32 divisors (see below), whose sum is σ = 5030177760. Its totient is φ = 670393152.

The previous prime is 2011625251. The next prime is 2011625279. The reversal of 2011625256 is 6525261102.

It is not an unprimeable number, because it can be changed into a prime (2011625251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179926 + ... + 190778.

It is an arithmetic number, because the mean of its divisors is an integer number (157193055).

Almost surely, 2^2011625256 is an apocalyptic number.

It is an amenable number.

2011625256 is an abundant number, since it is smaller than the sum of its proper divisors (3018552504).

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

2011625256 is a wasteful number, since it uses less digits than its factorization.

2011625256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18585 (or 18581 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2011625256 is about 44851.1455372101. The cubic root of 2011625256 is about 1262.3574860667.

Adding to 2011625256 its reverse (6525261102), we get a palindrome (8536886358).

The spelling of 2011625256 in words is "two billion, eleven million, six hundred twenty-five thousand, two hundred fifty-six".