213660115199 has 4 divisors (see below), whose sum is σ = 224905384440. Its totient is φ = 202414845960.

The previous prime is 213660115183. The next prime is 213660115219. The reversal of 213660115199 is 991511066312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213660115199 - 2⁴ = 213660115183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213660115169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5622634592 + ... + 5622634629.

It is an arithmetic number, because the mean of its divisors is an integer number (56226346110).

Almost surely, 2^213660115199 is an apocalyptic number.

213660115199 is a deficient number, since it is larger than the sum of its proper divisors (11245269241).

213660115199 is a wasteful number, since it uses less digits than its factorization.

213660115199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11245269240.

The product of its (nonzero) digits is 87480, while the sum is 44.

The spelling of 213660115199 in words is "two hundred thirteen billion, six hundred sixty million, one hundred fifteen thousand, one hundred ninety-nine".