206630612625611 has 2 divisors, whose sum is σ = 206630612625612. Its totient is φ = 206630612625610.

The previous prime is 206630612625589. The next prime is 206630612625667. The reversal of 206630612625611 is 116526216036602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206630612625611 is a prime.

It is not a weakly prime, because it can be changed into another prime (206630612627611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103315306312805 + 103315306312806.

It is an arithmetic number, because the mean of its divisors is an integer number (103315306312806).

Almost surely, 2^{206630612625611} is an apocalyptic number.

206630612625611 is a deficient number, since it is larger than the sum of its proper divisors (1).

206630612625611 is an equidigital number, since it uses as much as digits as its factorization.

206630612625611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 206630612625611 in words is "two hundred six trillion, six hundred thirty billion, six hundred twelve million, six hundred twenty-five thousand, six hundred eleven".