265212120633311 has 2 divisors, whose sum is σ = 265212120633312. Its totient is φ = 265212120633310.

The previous prime is 265212120633307. The next prime is 265212120633323. The reversal of 265212120633311 is 113336021212562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265212120633311 - 2² = 265212120633307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265212120633331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132606060316655 + 132606060316656.

It is an arithmetic number, because the mean of its divisors is an integer number (132606060316656).

Almost surely, 2^{265212120633311} is an apocalyptic number.

265212120633311 is a deficient number, since it is larger than the sum of its proper divisors (1).

265212120633311 is an equidigital number, since it uses as much as digits as its factorization.

265212120633311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 265212120633311 its reverse (113336021212562), we get a palindrome (378548141845873).

The spelling of 265212120633311 in words is "two hundred sixty-five trillion, two hundred twelve billion, one hundred twenty million, six hundred thirty-three thousand, three hundred eleven".