11044455123 has 24 divisors (see below), whose sum is σ = 16578223312. Its totient is φ = 6501071808.

The previous prime is 11044455043. The next prime is 11044455139. The reversal of 11044455123 is 32155444011.

It is not a de Polignac number, because 11044455123 - 2⁹ = 11044454611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11044455143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247036 + ... + 288297.

Almost surely, 2^11044455123 is an apocalyptic number.

11044455123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11044455123 is a deficient number, since it is larger than the sum of its proper divisors (5533768189).

11044455123 is a wasteful number, since it uses less digits than its factorization.

11044455123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535395 (or 535372 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 11044455123 its reverse (32155444011), we get a palindrome (43199899134).

The spelling of 11044455123 in words is "eleven billion, forty-four million, four hundred fifty-five thousand, one hundred twenty-three".