2004111173 has 2 divisors, whose sum is σ = 2004111174. Its totient is φ = 2004111172.

The previous prime is 2004111103. The next prime is 2004111209. The reversal of 2004111173 is 3711114002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1779321124 + 224790049 = 42182^2 + 14993^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004111173 - 2²⁸ = 1735675717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2004111103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002055586 + 1002055587.

It is an arithmetic number, because the mean of its divisors is an integer number (1002055587).

Almost surely, 2^2004111173 is an apocalyptic number.

It is an amenable number.

2004111173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004111173 is an equidigital number, since it uses as much as digits as its factorization.

2004111173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 2004111173 is about 44767.3002648138. The cubic root of 2004111173 is about 1260.7837512793.

Adding to 2004111173 its reverse (3711114002), we get a palindrome (5715225175).

The spelling of 2004111173 in words is "two billion, four million, one hundred eleven thousand, one hundred seventy-three".