11525138 has 8 divisors (see below), whose sum is σ = 17302332. Its totient is φ = 5757696.

The previous prime is 11525117. The next prime is 11525159. The reversal of 11525138 is 83152511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11525117) and next prime (11525159).

It can be written as a sum of positive squares in 2 ways, for example, as 10647169 + 877969 = 3263^2 + 937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2606 + ... + 5462.

Almost surely, 2^11525138 is an apocalyptic number.

11525138 is a deficient number, since it is larger than the sum of its proper divisors (5777194).

11525138 is a wasteful number, since it uses less digits than its factorization.

11525138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876.

The product of its digits is 1200, while the sum is 26.

The square root of 11525138 is about 3394.8693642024. The cubic root of 11525138 is about 225.8822186292.

Adding to 11525138 its reverse (83152511), we get a palindrome (94677649).

The spelling of 11525138 in words is "eleven million, five hundred twenty-five thousand, one hundred thirty-eight".