1103743811 has 4 divisors (see below), whose sum is σ = 1108038792. Its totient is φ = 1099448832.

The previous prime is 1103743807. The next prime is 1103743829. The reversal of 1103743811 is 1183473011.

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

It is a cyclic number.

It is not a de Polignac number, because 1103743811 - 2² = 1103743807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103743831) 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, 2147105 + ... + 2147618.

It is an arithmetic number, because the mean of its divisors is an integer number (277009698).

Almost surely, 2^1103743811 is an apocalyptic number.

1103743811 is a deficient number, since it is larger than the sum of its proper divisors (4294981).

1103743811 is an equidigital number, since it uses as much as digits as its factorization.

1103743811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4294980.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1103743811 is about 33222.6400365775. The cubic root of 1103743811 is about 1033.4498989442.

The spelling of 1103743811 in words is "one billion, one hundred three million, seven hundred forty-three thousand, eight hundred eleven".