11152538 has 8 divisors (see below), whose sum is σ = 16964640. Its totient is φ = 5497660.

The previous prime is 11152517. The next prime is 11152541. The reversal of 11152538 is 83525111.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39128 + ... + 39411.

It is an arithmetic number, because the mean of its divisors is an integer number (2120580).

Almost surely, 2^11152538 is an apocalyptic number.

11152538 is a deficient number, since it is larger than the sum of its proper divisors (5812102).

11152538 is an equidigital number, since it uses as much as digits as its factorization.

11152538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78612.

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

The square root of 11152538 is about 3339.5415853078. The cubic root of 11152538 is about 223.4212979890.

Adding to 11152538 its reverse (83525111), we get a palindrome (94677649).

The spelling of 11152538 in words is "eleven million, one hundred fifty-two thousand, five hundred thirty-eight".