11538135 has 24 divisors (see below), whose sum is σ = 22857120. Its totient is φ = 5274432.

The previous prime is 11538133. The next prime is 11538181. The reversal of 11538135 is 53183511.

11538135 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 11538135 - 2¹ = 11538133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11538099 and 11538108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538133) 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, 18000 + ... + 18629.

It is an arithmetic number, because the mean of its divisors is an integer number (952380).

Almost surely, 2^11538135 is an apocalyptic number.

11538135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11538135 is a deficient number, since it is larger than the sum of its proper divisors (11318985).

11538135 is a wasteful number, since it uses less digits than its factorization.

11538135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36647 (or 36644 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 11538135 is about 3396.7830369336. The cubic root of 11538135 is about 225.9670965229.

The spelling of 11538135 in words is "eleven million, five hundred thirty-eight thousand, one hundred thirty-five".