211287053106 has 12 divisors (see below), whose sum is σ = 457788615102. Its totient is φ = 70429017696.

The previous prime is 211287053093. The next prime is 211287053141. The reversal of 211287053106 is 601350782112.

211287053106 is a `hidden beast` number, since 2 + 112 + 8 + 7 + 0 + 531 + 0 + 6 = 666.

211287053106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 187181696025 + 24105357081 = 432645^2 + 155259^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5869084791 + ... + 5869084826.

Almost surely, 2^211287053106 is an apocalyptic number.

211287053106 is an abundant number, since it is smaller than the sum of its proper divisors (246501561996).

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

211287053106 is a wasteful number, since it uses less digits than its factorization.

211287053106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11738169625 (or 11738169622 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 211287053106 in words is "two hundred eleven billion, two hundred eighty-seven million, fifty-three thousand, one hundred six".