211545134602 has 8 divisors (see below), whose sum is σ = 323304828516. Its totient is φ = 103776858432.

The previous prime is 211545134573. The next prime is 211545134621. The reversal of 211545134602 is 206431545112.

211545134602 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 200436185401 + 11108949201 = 447701^2 + 105399^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997854303 + ... + 997854514.

Almost surely, 2^211545134602 is an apocalyptic number.

211545134602 is a deficient number, since it is larger than the sum of its proper divisors (111759693914).

211545134602 is a wasteful number, since it uses less digits than its factorization.

211545134602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995708872.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 211545134602 its reverse (206431545112), we get a palindrome (417976679714).

The spelling of 211545134602 in words is "two hundred eleven billion, five hundred forty-five million, one hundred thirty-four thousand, six hundred two".