11143042125 has 32 divisors (see below), whose sum is σ = 18722106624. Its totient is φ = 5885236800.

The previous prime is 11143042121. The next prime is 11143042133. The reversal of 11143042125 is 52124034111.

It is not a de Polignac number, because 11143042125 - 2² = 11143042121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11143042095 and 11143042104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143042121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105622 + ... + 182871.

It is an arithmetic number, because the mean of its divisors is an integer number (585065832).

Almost surely, 2^11143042125 is an apocalyptic number.

11143042125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11143042125 is a deficient number, since it is larger than the sum of its proper divisors (7579064499).

11143042125 is a wasteful number, since it uses less digits than its factorization.

11143042125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288614 (or 288604 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11143042125 its reverse (52124034111), we get a palindrome (63267076236).

The spelling of 11143042125 in words is "eleven billion, one hundred forty-three million, forty-two thousand, one hundred twenty-five".