1103401110043 has 4 divisors (see below), whose sum is σ = 1103787322600. Its totient is φ = 1103014897488.

The previous prime is 1103401110023. The next prime is 1103401110083. The reversal of 1103401110043 is 3400111043011.

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 1103401110043 - 2³⁷ = 965962156571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103401110043.

It is not an unprimeable number, because it can be changed into a prime (1103401110023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193101993 + ... + 193107706.

It is an arithmetic number, because the mean of its divisors is an integer number (275946830650).

Almost surely, 2^{1103401110043} is an apocalyptic number.

1103401110043 is a deficient number, since it is larger than the sum of its proper divisors (386212557).

1103401110043 is an equidigital number, since it uses as much as digits as its factorization.

1103401110043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386212556.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1103401110043 its reverse (3400111043011), we get a palindrome (4503512153054).

The spelling of 1103401110043 in words is "one trillion, one hundred three billion, four hundred one million, one hundred ten thousand, forty-three".