210555132113 has 8 divisors (see below), whose sum is σ = 217997051880. Its totient is φ = 203125305600.

The previous prime is 210555132101. The next prime is 210555132133. The reversal of 210555132113 is 311231555012.

It can be written as a sum of positive squares in 4 ways, for example, as 5864036929 + 204691095184 = 76577^2 + 452428^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 210555132113 - 2²² = 210550937809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210555132133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2987870 + ... + 3057527.

It is an arithmetic number, because the mean of its divisors is an integer number (27249631485).

Almost surely, 2^210555132113 is an apocalyptic number.

It is an amenable number.

210555132113 is a deficient number, since it is larger than the sum of its proper divisors (7441919767).

210555132113 is a wasteful number, since it uses less digits than its factorization.

210555132113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046627.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 210555132113 its reverse (311231555012), we get a palindrome (521786687125).

The spelling of 210555132113 in words is "two hundred ten billion, five hundred fifty-five million, one hundred thirty-two thousand, one hundred thirteen".