215113650 has 48 divisors (see below), whose sum is σ = 550702848. Its totient is φ = 55512000.

The previous prime is 215113637. The next prime is 215113667. The reversal of 215113650 is 56311512.

It is a self number, because there is not a number n which added to its sum of digits gives 215113650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18481 + ... + 27780.

It is an arithmetic number, because the mean of its divisors is an integer number (11472976).

Almost surely, 2^215113650 is an apocalyptic number.

215113650 is an abundant number, since it is smaller than the sum of its proper divisors (335589198).

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

215113650 is a wasteful number, since it uses less digits than its factorization.

215113650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46307 (or 46302 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 215113650 is about 14666.7532194416. The cubic root of 215113650 is about 599.1781804238.

The spelling of 215113650 in words is "two hundred fifteen million, one hundred thirteen thousand, six hundred fifty".