11355541 has 8 divisors (see below), whose sum is σ = 12089304. Its totient is φ = 10629120.

The previous prime is 11355493. The next prime is 11355563. The reversal of 11355541 is 14555311.

It is a happy number.

11355541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 656100 + 10699441 = 810^2 + 3271^2 .

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 11355541 - 2¹⁹ = 10831253 is a prime.

It is a super-2 number, since 2×11355541² = 257896622805362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11355571) 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, 1551 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (1511163).

Almost surely, 2^11355541 is an apocalyptic number.

It is an amenable number.

11355541 is a deficient number, since it is larger than the sum of its proper divisors (733763).

11355541 is a wasteful number, since it uses less digits than its factorization.

11355541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671.

The product of its digits is 1500, while the sum is 25.

The square root of 11355541 is about 3369.7983619202. The cubic root of 11355541 is about 224.7687566602.

The spelling of 11355541 in words is "eleven million, three hundred fifty-five thousand, five hundred forty-one".