211305513550350 has 48 divisors (see below), whose sum is σ = 524041007978880. Its totient is φ = 56347778412000.

The previous prime is 211305513550309. The next prime is 211305513550363. The reversal of 211305513550350 is 53055315503112.

It is a junction number, because it is equal to n+sod(n) for n = 211305513550299 and 211305513550308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19601175 + ... + 28404525.

It is an arithmetic number, because the mean of its divisors is an integer number (10917520999560).

Almost surely, 2^{211305513550350} is an apocalyptic number.

211305513550350 is an abundant number, since it is smaller than the sum of its proper divisors (312735494428530).

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

211305513550350 is a wasteful number, since it uses less digits than its factorization.

211305513550350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963385 (or 8963380 counting only the distinct ones).

The product of its (nonzero) digits is 168750, while the sum is 39.

The spelling of 211305513550350 in words is "two hundred eleven trillion, three hundred five billion, five hundred thirteen million, five hundred fifty thousand, three hundred fifty".