211706509150 has 48 divisors (see below), whose sum is σ = 415045154160. Its totient is φ = 80119929600.

The previous prime is 211706509111. The next prime is 211706509163. The reversal of 211706509150 is 51905607112.

It is a congruent number.

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, 576532 + ... + 869368.

It is an arithmetic number, because the mean of its divisors is an integer number (8646774045).

Almost surely, 2^211706509150 is an apocalyptic number.

211706509150 is a deficient number, since it is larger than the sum of its proper divisors (203338645010).

211706509150 is a wasteful number, since it uses less digits than its factorization.

211706509150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293629 (or 293624 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 37.

The spelling of 211706509150 in words is "two hundred eleven billion, seven hundred six million, five hundred nine thousand, one hundred fifty".