11113541 has 4 divisors (see below), whose sum is σ = 11139072. Its totient is φ = 11088012.

The previous prime is 11113513. The next prime is 11113547. The reversal of 11113541 is 14531111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11113541 - 2⁶ = 11113477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12101 + ... + 12986.

It is an arithmetic number, because the mean of its divisors is an integer number (2784768).

Almost surely, 2^11113541 is an apocalyptic number.

It is an amenable number.

11113541 is a deficient number, since it is larger than the sum of its proper divisors (25531).

11113541 is an equidigital number, since it uses as much as digits as its factorization.

11113541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25530.

The product of its digits is 60, while the sum is 17.

The square root of 11113541 is about 3333.6977967416. The cubic root of 11113541 is about 223.1605819853.

Adding to 11113541 its reverse (14531111), we get a palindrome (25644652).

It can be divided in two parts, 111 and 13541, that multiplied together give a palindrome (1503051).

The spelling of 11113541 in words is "eleven million, one hundred thirteen thousand, five hundred forty-one".