11131044123 has 8 divisors (see below), whose sum is σ = 14845824000. Its totient is φ = 7418480168.

The previous prime is 11131044101. The next prime is 11131044149. The reversal of 11131044123 is 32144013111.

11131044123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11131044123 - 2⁵ = 11131044091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11131044123.

It is not an unprimeable number, because it can be changed into a prime (11131044173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542223 + ... + 562376.

It is an arithmetic number, because the mean of its divisors is an integer number (1855728000).

Almost surely, 2^11131044123 is an apocalyptic number.

11131044123 is a deficient number, since it is larger than the sum of its proper divisors (3714779877).

11131044123 is a wasteful number, since it uses less digits than its factorization.

11131044123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107961.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11131044123 its reverse (32144013111), we get a palindrome (43275057234).

The spelling of 11131044123 in words is "eleven billion, one hundred thirty-one million, forty-four thousand, one hundred twenty-three".