11261541 has 8 divisors (see below), whose sum is σ = 15533280. Its totient is φ = 7248752.

The previous prime is 11261539. The next prime is 11261543. The reversal of 11261541 is 14516211.

It is an interprime number because it is at equal distance from previous prime (11261539) and next prime (11261543).

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 11261541 - 2¹ = 11261539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11261543) 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, 64635 + ... + 64808.

It is an arithmetic number, because the mean of its divisors is an integer number (1941660).

Almost surely, 2^11261541 is an apocalyptic number.

It is an amenable number.

11261541 is a deficient number, since it is larger than the sum of its proper divisors (4271739).

11261541 is a wasteful number, since it uses less digits than its factorization.

11261541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129475.

The product of its digits is 240, while the sum is 21.

The square root of 11261541 is about 3355.8219559446. The cubic root of 11261541 is about 224.1468332039.

Adding to 11261541 its reverse (14516211), we get a palindrome (25777752).

The spelling of 11261541 in words is "eleven million, two hundred sixty-one thousand, five hundred forty-one".