11611541 has 8 divisors (see below), whose sum is σ = 11793984. Its totient is φ = 11430720.

The previous prime is 11611529. The next prime is 11611543. The reversal of 11611541 is 14511611.

It is a happy number.

11611541 is digitally balanced in base 2 and base 3, because in such bases 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 a cyclic number.

It is not a de Polignac number, because 11611541 - 2⁶ = 11611477 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 (11611543) 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, 23600 + ... + 24086.

It is an arithmetic number, because the mean of its divisors is an integer number (1474248).

Almost surely, 2^11611541 is an apocalyptic number.

It is an amenable number.

11611541 is a deficient number, since it is larger than the sum of its proper divisors (182443).

11611541 is a wasteful number, since it uses less digits than its factorization.

11611541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its digits is 120, while the sum is 20.

The square root of 11611541 is about 3407.5711291182. The cubic root of 11611541 is about 226.4452872671.

The spelling of 11611541 in words is "eleven million, six hundred eleven thousand, five hundred forty-one".