11201541 has 8 divisors (see below), whose sum is σ = 16084320. Its totient is φ = 6893232.

The previous prime is 11201539. The next prime is 11201549. The reversal of 11201541 is 14510211.

It is a happy number.

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

It is not a de Polignac number, because 11201541 - 2¹ = 11201539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11201541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 143571 + ... + 143648.

It is an arithmetic number, because the mean of its divisors is an integer number (2010540).

Almost surely, 2^11201541 is an apocalyptic number.

It is an amenable number.

11201541 is a deficient number, since it is larger than the sum of its proper divisors (4882779).

11201541 is a wasteful number, since it uses less digits than its factorization.

11201541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287235.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 11201541 is about 3346.8703291284. The cubic root of 11201541 is about 223.7480492532.

Adding to 11201541 its reverse (14510211), we get a palindrome (25711752).

The spelling of 11201541 in words is "eleven million, two hundred one thousand, five hundred forty-one".