215022253520189 has 2 divisors, whose sum is σ = 215022253520190. Its totient is φ = 215022253520188.

The previous prime is 215022253520183. The next prime is 215022253520279. The reversal of 215022253520189 is 981025352220512.

215022253520189 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., 189691617488164 + 25330636032025 = 13772858^2 + 5032955^2 .

It is a cyclic number.

It is not a de Polignac number, because 215022253520189 - 2²⁰ = 215022252471613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215022253520183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107511126760094 + 107511126760095.

It is an arithmetic number, because the mean of its divisors is an integer number (107511126760095).

Almost surely, 2^{215022253520189} is an apocalyptic number.

It is an amenable number.

215022253520189 is a deficient number, since it is larger than the sum of its proper divisors (1).

215022253520189 is an equidigital number, since it uses as much as digits as its factorization.

215022253520189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 215022253520189 in words is "two hundred fifteen trillion, twenty-two billion, two hundred fifty-three million, five hundred twenty thousand, one hundred eighty-nine".