103866811 has 4 divisors (see below), whose sum is σ = 103924312. Its totient is φ = 103809312.

The previous prime is 103866799. The next prime is 103866869. The reversal of 103866811 is 118668301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118668301 = 1741 ⋅68161.

It is a cyclic number.

It is not a de Polignac number, because 103866811 - 2⁵ = 103866779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103866211) 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, 25950 + ... + 29683.

It is an arithmetic number, because the mean of its divisors is an integer number (25981078).

Almost surely, 2^103866811 is an apocalyptic number.

103866811 is a deficient number, since it is larger than the sum of its proper divisors (57501).

103866811 is an equidigital number, since it uses as much as digits as its factorization.

103866811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57500.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 103866811 is about 10191.5068071409. The cubic root of 103866811 is about 470.0661005568.

The spelling of 103866811 in words is "one hundred three million, eight hundred sixty-six thousand, eight hundred eleven".