2051515056 has 40 divisors (see below), whose sum is σ = 5301517824. Its totient is φ = 683609920.

The previous prime is 2051515033. The next prime is 2051515087. The reversal of 2051515056 is 6505151502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200005 + ... + 210011.

Almost surely, 2^2051515056 is an apocalyptic number.

It is an amenable number.

2051515056 is an abundant number, since it is smaller than the sum of its proper divisors (3250002768).

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

2051515056 is a wasteful number, since it uses less digits than its factorization.

2051515056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14289 (or 14283 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 2051515056 is about 45293.6535951782. The cubic root of 2051515056 is about 1270.6469632360.

Adding to 2051515056 its reverse (6505151502), we get a palindrome (8556666558).

The spelling of 2051515056 in words is "two billion, fifty-one million, five hundred fifteen thousand, fifty-six".