11401225 has 18 divisors (see below), whose sum is σ = 15543710. Its totient is φ = 8289600.

The previous prime is 11401207. The next prime is 11401231. The reversal of 11401225 is 52210411.

11401225 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 3 ways, for example, as 1982464 + 9418761 = 1408^2 + 3069^2 .

It is not a de Polignac number, because 11401225 - 2⁵ = 11401193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11401199 and 11401208.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1141 + ... + 4909.

Almost surely, 2^11401225 is an apocalyptic number.

It is an amenable number.

11401225 is a deficient number, since it is larger than the sum of its proper divisors (4142485).

11401225 is a wasteful number, since it uses less digits than its factorization.

11401225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801 (or 3785 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11401225 is about 3376.5700051976. The cubic root of 11401225 is about 225.0697725999.

Adding to 11401225 its reverse (52210411), we get a palindrome (63611636).

The spelling of 11401225 in words is "eleven million, four hundred one thousand, two hundred twenty-five".