211280006651 has 16 divisors (see below), whose sum is σ = 244204139520. Its totient is φ = 179041663680.

The previous prime is 211280006633. The next prime is 211280006657. The reversal of 211280006651 is 156600082112.

211280006651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211280006651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211280006657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8030420 + ... + 8056686.

It is an arithmetic number, because the mean of its divisors is an integer number (15262758720).

Almost surely, 2^211280006651 is an apocalyptic number.

211280006651 is a deficient number, since it is larger than the sum of its proper divisors (32924132869).

211280006651 is a wasteful number, since it uses less digits than its factorization.

211280006651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39274.

The product of its (nonzero) digits is 5760, while the sum is 32.

Adding to 211280006651 its reverse (156600082112), we get a palindrome (367880088763).

The spelling of 211280006651 in words is "two hundred eleven billion, two hundred eighty million, six thousand, six hundred fifty-one".