213133655265 has 16 divisors (see below), whose sum is σ = 346793745600. Its totient is φ = 111744650432.

The previous prime is 213133655227. The next prime is 213133655303. The reversal of 213133655265 is 562556331312.

It is an interprime number because it is at equal distance from previous prime (213133655227) and next prime (213133655303).

It is a cyclic number.

It is not a de Polignac number, because 213133655265 - 2¹⁴ = 213133638881 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120413610 + ... + 120415379.

It is an arithmetic number, because the mean of its divisors is an integer number (21674609100).

Almost surely, 2^213133655265 is an apocalyptic number.

It is an amenable number.

213133655265 is a deficient number, since it is larger than the sum of its proper divisors (133660090335).

213133655265 is a wasteful number, since it uses less digits than its factorization.

213133655265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240829056.

The product of its digits is 486000, while the sum is 42.

Adding to 213133655265 its reverse (562556331312), we get a palindrome (775689986577).

The spelling of 213133655265 in words is "two hundred thirteen billion, one hundred thirty-three million, six hundred fifty-five thousand, two hundred sixty-five".