11538541 has 8 divisors (see below), whose sum is σ = 13612544. Its totient is φ = 9570960.

The previous prime is 11538533. The next prime is 11538557. The reversal of 11538541 is 14583511.

11538541 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11538541 - 2³ = 11538533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26370 + ... + 26803.

It is an arithmetic number, because the mean of its divisors is an integer number (1701568).

Almost surely, 2^11538541 is an apocalyptic number.

It is an amenable number.

11538541 is a deficient number, since it is larger than the sum of its proper divisors (2074003).

11538541 is an equidigital number, since it uses as much as digits as its factorization.

11538541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53211.

The product of its digits is 2400, while the sum is 28.

The square root of 11538541 is about 3396.8427988354. The cubic root of 11538541 is about 225.9697469098.

The spelling of 11538541 in words is "eleven million, five hundred thirty-eight thousand, five hundred forty-one".