211061751016 has 8 divisors (see below), whose sum is σ = 395740783170. Its totient is φ = 105530875504.

The previous prime is 211061750983. The next prime is 211061751083. The reversal of 211061751016 is 610157160112.

It can be written as a sum of positive squares in only one way, i.e., 176072552100 + 34989198916 = 419610^2 + 187054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13191359431 + ... + 13191359446.

Almost surely, 2^211061751016 is an apocalyptic number.

It is an amenable number.

211061751016 is a deficient number, since it is larger than the sum of its proper divisors (184679032154).

211061751016 is a wasteful number, since it uses less digits than its factorization.

211061751016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26382718883 (or 26382718879 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 211061751016 in words is "two hundred eleven billion, sixty-one million, seven hundred fifty-one thousand, sixteen".