11540641 has 16 divisors (see below), whose sum is σ = 14091264. Its totient is φ = 9236304.

The previous prime is 11540611. The next prime is 11540653. The reversal of 11540641 is 14604511.

11540641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11540641 - 2⁵ = 11540609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11540611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6090 + ... + 7756.

It is an arithmetic number, because the mean of its divisors is an integer number (880704).

Almost surely, 2^11540641 is an apocalyptic number.

It is an amenable number.

11540641 is a deficient number, since it is larger than the sum of its proper divisors (2550623).

11540641 is a wasteful number, since it uses less digits than its factorization.

11540641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11540641 is about 3397.1518953382. The cubic root of 11540641 is about 225.9834548151.

The spelling of 11540641 in words is "eleven million, five hundred forty thousand, six hundred forty-one".