211206523113 has 8 divisors (see below), whose sum is σ = 312898552800. Its totient is φ = 140804348724.

The previous prime is 211206523093. The next prime is 211206523163. The reversal of 211206523113 is 311325602112.

211206523113 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 0 + 652 + 3 + 1 + 1 + 3 = 666.

211206523113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211206523113 - 2¹⁰ = 211206522089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7822463819 = 211206523113 / (2 + 1 + 1 + 2 + 0 + 6 + 5 + 2 + 3 + 1 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (211206523163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3911231883 + ... + 3911231936.

It is an arithmetic number, because the mean of its divisors is an integer number (39112319100).

Almost surely, 2^211206523113 is an apocalyptic number.

It is an amenable number.

211206523113 is a deficient number, since it is larger than the sum of its proper divisors (101692029687).

211206523113 is an equidigital number, since it uses as much as digits as its factorization.

211206523113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822463828 (or 7822463822 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 211206523113 in words is "two hundred eleven billion, two hundred six million, five hundred twenty-three thousand, one hundred thirteen".