211334655245053 has 8 divisors (see below), whose sum is σ = 211907481744728. Its totient is φ = 210761862145344.

The previous prime is 211334655245033. The next prime is 211334655245069. The reversal of 211334655245053 is 350542556433112.

It can be written as a sum of positive squares in 4 ways, for example, as 38242820710084 + 173091834534969 = 6184078^2 + 13156437^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211334655245053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211334655244988 and 211334655245006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211334655245033) 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, 4348075 + ... + 21013687.

It is an arithmetic number, because the mean of its divisors is an integer number (26488435218091).

Almost surely, 2^{211334655245053} is an apocalyptic number.

It is an amenable number.

211334655245053 is a deficient number, since it is larger than the sum of its proper divisors (572826499675).

211334655245053 is a wasteful number, since it uses less digits than its factorization.

211334655245053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16699983.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 211334655245053 in words is "two hundred eleven trillion, three hundred thirty-four billion, six hundred fifty-five million, two hundred forty-five thousand, fifty-three".