204111163060213 has 4 divisors (see below), whose sum is σ = 204113008510380. Its totient is φ = 204109317610048.

The previous prime is 204111163060171. The next prime is 204111163060219. The reversal of 204111163060213 is 312060361111402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 193376641316049 + 10734521744164 = 13905993^2 + 3276358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204111163060213 is a prime.

It is a super-2 number, since 2×204111163060213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204111163060219) 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, 922559170 + ... + 922780387.

It is an arithmetic number, because the mean of its divisors is an integer number (51028252127595).

Almost surely, 2^{204111163060213} is an apocalyptic number.

It is an amenable number.

204111163060213 is a deficient number, since it is larger than the sum of its proper divisors (1845450167).

204111163060213 is a wasteful number, since it uses less digits than its factorization.

204111163060213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845450166.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 204111163060213 in words is "two hundred four trillion, one hundred eleven billion, one hundred sixty-three million, sixty thousand, two hundred thirteen".