211111432452255 has 32 divisors (see below), whose sum is σ = 363510678702528. Its totient is φ = 104232452659200.

The previous prime is 211111432452233. The next prime is 211111432452281. The reversal of 211111432452255 is 552254234111112.

It is not a de Polignac number, because 211111432452255 - 2¹² = 211111432448159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6785951416 + ... + 6785982525.

It is an arithmetic number, because the mean of its divisors is an integer number (11359708709454).

Almost surely, 2^{211111432452255} is an apocalyptic number.

211111432452255 is a deficient number, since it is larger than the sum of its proper divisors (152399246250273).

211111432452255 is a wasteful number, since it uses less digits than its factorization.

211111432452255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13571934027.

The product of its digits is 96000, while the sum is 39.

Adding to 211111432452255 its reverse (552254234111112), we get a palindrome (763365666563367).

The spelling of 211111432452255 in words is "two hundred eleven trillion, one hundred eleven billion, four hundred thirty-two million, four hundred fifty-two thousand, two hundred fifty-five".