105000811 has 2 divisors, whose sum is σ = 105000812. Its totient is φ = 105000810.

The previous prime is 105000781. The next prime is 105000827. The reversal of 105000811 is 118000501.

It is an a-pointer prime, because the next prime (105000827) can be obtained adding 105000811 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105000811 - 2⁷ = 105000683 is a prime.

It is a super-2 number, since 2×105000811² = 22050340621315442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105000871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52500405 + 52500406.

It is an arithmetic number, because the mean of its divisors is an integer number (52500406).

Almost surely, 2^105000811 is an apocalyptic number.

105000811 is a deficient number, since it is larger than the sum of its proper divisors (1).

105000811 is an equidigital number, since it uses as much as digits as its factorization.

105000811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 105000811 is about 10246.9903386311. The cubic root of 105000811 is about 471.7706126475.

The spelling of 105000811 in words is "one hundred five million, eight hundred eleven", and thus it is an aban number.