210115056 has 40 divisors (see below), whose sum is σ = 548080000. Its totient is φ = 69356736.

The previous prime is 210115001. The next prime is 210115067. The reversal of 210115056 is 650511012.

210115056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 16306 + ... + 26193.

It is an arithmetic number, because the mean of its divisors is an integer number (13702000).

Almost surely, 2^210115056 is an apocalyptic number.

It is an amenable number.

210115056 is an abundant number, since it is smaller than the sum of its proper divisors (337964944).

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

210115056 is a wasteful number, since it uses less digits than its factorization.

210115056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42613 (or 42607 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 210115056 is about 14495.3460117377. The cubic root of 210115056 is about 594.5007284550.

Adding to 210115056 its reverse (650511012), we get a palindrome (860626068).

The spelling of 210115056 in words is "two hundred ten million, one hundred fifteen thousand, fifty-six".