11143204425 has 120 divisors (see below), whose sum is σ = 21067776576. Its totient is φ = 5821580160.

The previous prime is 11143204403. The next prime is 11143204439. The reversal of 11143204425 is 52440234111.

11143204425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11143204425 - 2¹⁴ = 11143188041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 119 ways as a sum of consecutive naturals, for example, 28068327 + ... + 28068723.

Almost surely, 2^11143204425 is an apocalyptic number.

11143204425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11143204425 is a deficient number, since it is larger than the sum of its proper divisors (9924572151).

11143204425 is a wasteful number, since it uses less digits than its factorization.

11143204425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11143204425 its reverse (52440234111), we get a palindrome (63583438536).

The spelling of 11143204425 in words is "eleven billion, one hundred forty-three million, two hundred four thousand, four hundred twenty-five".