211303240153 has 2 divisors, whose sum is σ = 211303240154. Its totient is φ = 211303240152.

The previous prime is 211303240117. The next prime is 211303240199. The reversal of 211303240153 is 351042303112.

It is a happy number.

211303240153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135539576649 + 75763663504 = 368157^2 + 275252^2 .

It is a cyclic number.

It is not a de Polignac number, because 211303240153 - 2¹³ = 211303231961 is a prime.

It is not a weakly prime, because it can be changed into another prime (211303247153) 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 as a sum of consecutive naturals, namely, 105651620076 + 105651620077.

It is an arithmetic number, because the mean of its divisors is an integer number (105651620077).

Almost surely, 2^211303240153 is an apocalyptic number.

It is an amenable number.

211303240153 is a deficient number, since it is larger than the sum of its proper divisors (1).

211303240153 is an equidigital number, since it uses as much as digits as its factorization.

211303240153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 211303240153 its reverse (351042303112), we get a palindrome (562345543265).

The spelling of 211303240153 in words is "two hundred eleven billion, three hundred three million, two hundred forty thousand, one hundred fifty-three".