213660115183 has 2 divisors, whose sum is σ = 213660115184. Its totient is φ = 213660115182.

The previous prime is 213660115169. The next prime is 213660115219. The reversal of 213660115183 is 381511066312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213660115183 - 2⁹ = 213660114671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213660115283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106830057591 + 106830057592.

It is an arithmetic number, because the mean of its divisors is an integer number (106830057592).

Almost surely, 2^213660115183 is an apocalyptic number.

213660115183 is a deficient number, since it is larger than the sum of its proper divisors (1).

213660115183 is an equidigital number, since it uses as much as digits as its factorization.

213660115183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 213660115183 in words is "two hundred thirteen billion, six hundred sixty million, one hundred fifteen thousand, one hundred eighty-three".