211056030645 has 8 divisors (see below), whose sum is σ = 337689649056. Its totient is φ = 112563216336.

The previous prime is 211056030629. The next prime is 211056030649. The reversal of 211056030645 is 546030650112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211056030645 - 2⁴ = 211056030629 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211056030649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7035201007 + ... + 7035201036.

It is an arithmetic number, because the mean of its divisors is an integer number (42211206132).

Almost surely, 2^211056030645 is an apocalyptic number.

It is an amenable number.

211056030645 is a deficient number, since it is larger than the sum of its proper divisors (126633618411).

211056030645 is a wasteful number, since it uses less digits than its factorization.

211056030645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14070402051.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 211056030645 its reverse (546030650112), we get a palindrome (757086680757).

The spelling of 211056030645 in words is "two hundred eleven billion, fifty-six million, thirty thousand, six hundred forty-five".