11143925 has 24 divisors (see below), whose sum is σ = 15764616. Its totient is φ = 7741440.

The previous prime is 11143921. The next prime is 11143931. The reversal of 11143925 is 52934111.

11143925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 1620529 + 9523396 = 1273^2 + 3086^2 .

It is not a de Polignac number, because 11143925 - 2² = 11143921 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 11143894 and 11143903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143921) 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, 4517 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (656859).

Almost surely, 2^11143925 is an apocalyptic number.

It is an amenable number.

11143925 is a deficient number, since it is larger than the sum of its proper divisors (4620691).

11143925 is a wasteful number, since it uses less digits than its factorization.

11143925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2052 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 11143925 is about 3338.2517879872. The cubic root of 11143925 is about 223.3637677887.

The spelling of 11143925 in words is "eleven million, one hundred forty-three thousand, nine hundred twenty-five".