211505083259 has 2 divisors, whose sum is σ = 211505083260. Its totient is φ = 211505083258.

The previous prime is 211505083243. The next prime is 211505083271. The reversal of 211505083259 is 952380505112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211505083259 - 2⁴ = 211505083243 is a prime.

It is a super-2 number, since 2×211505083259² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211505083219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105752541629 + 105752541630.

It is an arithmetic number, because the mean of its divisors is an integer number (105752541630).

Almost surely, 2^211505083259 is an apocalyptic number.

211505083259 is a deficient number, since it is larger than the sum of its proper divisors (1).

211505083259 is an equidigital number, since it uses as much as digits as its factorization.

211505083259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 211505083259 in words is "two hundred eleven billion, five hundred five million, eighty-three thousand, two hundred fifty-nine".