103816811 has 4 divisors (see below), whose sum is σ = 118647792. Its totient is φ = 88985832.

The previous prime is 103816787. The next prime is 103816837. The reversal of 103816811 is 118618301.

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-103816811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103816891) 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, 7415480 + ... + 7415493.

It is an arithmetic number, because the mean of its divisors is an integer number (29661948).

Almost surely, 2^103816811 is an apocalyptic number.

103816811 is a deficient number, since it is larger than the sum of its proper divisors (14830981).

103816811 is an equidigital number, since it uses as much as digits as its factorization.

103816811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14830980.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 103816811 is about 10189.0534889164. The cubic root of 103816811 is about 469.9906607470.

It can be divided in two parts, 103816 and 811, that multiplied together give a triangular number (84194776 = T₁₂₉₇₆).

The spelling of 103816811 in words is "one hundred three million, eight hundred sixteen thousand, eight hundred eleven".