11142123104 has 48 divisors (see below), whose sum is σ = 25103893248. Its totient is φ = 4768697472.

The previous prime is 11142123073. The next prime is 11142123121. The reversal of 11142123104 is 40132124111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132959 + ... + 199905.

It is an arithmetic number, because the mean of its divisors is an integer number (522997776).

Almost surely, 2^11142123104 is an apocalyptic number.

11142123104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11142123104 is an abundant number, since it is smaller than the sum of its proper divisors (13961770144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11142123104 is an equidigital number, since it uses as much as digits as its factorization.

11142123104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67707 (or 67699 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11142123104 its reverse (40132124111), we get a palindrome (51274247215).

The spelling of 11142123104 in words is "eleven billion, one hundred forty-two million, one hundred twenty-three thousand, one hundred four".