211150868 has 6 divisors (see below), whose sum is σ = 369514026. Its totient is φ = 105575432.

The previous prime is 211150859. The next prime is 211150873. The reversal of 211150868 is 868051112.

It can be written as a sum of positive squares in only one way, i.e., 114875524 + 96275344 = 10718^2 + 9812^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26393855 + ... + 26393862.

It is an arithmetic number, because the mean of its divisors is an integer number (61585671).

Almost surely, 2^211150868 is an apocalyptic number.

It is an amenable number.

211150868 is a deficient number, since it is larger than the sum of its proper divisors (158363158).

211150868 is a wasteful number, since it uses less digits than its factorization.

211150868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52787721 (or 52787719 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 211150868 is about 14531.0312091056. The cubic root of 211150868 is about 595.4760383107.

The spelling of 211150868 in words is "two hundred eleven million, one hundred fifty thousand, eight hundred sixty-eight".