103665011 has 2 divisors, whose sum is σ = 103665012. Its totient is φ = 103665010.

The previous prime is 103664989. The next prime is 103665019. The reversal of 103665011 is 110566301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103665011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103665019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51832505 + 51832506.

It is an arithmetic number, because the mean of its divisors is an integer number (51832506).

Almost surely, 2^103665011 is an apocalyptic number.

103665011 is a deficient number, since it is larger than the sum of its proper divisors (1).

103665011 is an equidigital number, since it uses as much as digits as its factorization.

103665011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 103665011 is about 10181.6015930697. The cubic root of 103665011 is about 469.7614769792.

The spelling of 103665011 in words is "one hundred three million, six hundred sixty-five thousand, eleven".