1103544401 has 4 divisors (see below), whose sum is σ = 1106878704. Its totient is φ = 1100210100.

The previous prime is 1103544373. The next prime is 1103544427. The reversal of 1103544401 is 1044453011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1103544401 - 2¹⁰ = 1103543377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103543401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666655 + ... + 1667316.

It is an arithmetic number, because the mean of its divisors is an integer number (276719676).

Almost surely, 2^1103544401 is an apocalyptic number.

It is an amenable number.

1103544401 is a deficient number, since it is larger than the sum of its proper divisors (3334303).

1103544401 is an equidigital number, since it uses as much as digits as its factorization.

1103544401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334302.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1103544401 is about 33219.6387849116. The cubic root of 1103544401 is about 1033.3876584574.

Adding to 1103544401 its reverse (1044453011), we get a palindrome (2147997412).

The spelling of 1103544401 in words is "one billion, one hundred three million, five hundred forty-four thousand, four hundred one".