105003911 has 4 divisors (see below), whose sum is σ = 107565024. Its totient is φ = 102442800.

The previous prime is 105003889. The next prime is 105003919. The reversal of 105003911 is 119300501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105003911 is a prime.

It is a super-2 number, since 2×105003911² = 22051642650591842, which 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 (105003919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280495 + ... + 1280576.

It is an arithmetic number, because the mean of its divisors is an integer number (26891256).

Almost surely, 2^105003911 is an apocalyptic number.

105003911 is a deficient number, since it is larger than the sum of its proper divisors (2561113).

105003911 is an equidigital number, since it uses as much as digits as its factorization.

105003911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561112.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 105003911 is about 10247.1416014418. The cubic root of 105003911 is about 471.7752553879.

The spelling of 105003911 in words is "one hundred five million, three thousand, nine hundred eleven".