11041551 has 12 divisors (see below), whose sum is σ = 16887312. Its totient is φ = 6927936.

The previous prime is 11041531. The next prime is 11041559. The reversal of 11041551 is 15514011.

It is a happy number.

11041551 is a `hidden beast` number, since 110 + 4 + 1 + 551 = 666.

It is not a de Polignac number, because 11041551 - 2⁹ = 11041039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11041559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35931 + ... + 36236.

It is an arithmetic number, because the mean of its divisors is an integer number (1407276).

Almost surely, 2^11041551 is an apocalyptic number.

11041551 is a deficient number, since it is larger than the sum of its proper divisors (5845761).

11041551 is a wasteful number, since it uses less digits than its factorization.

11041551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72190 (or 72187 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 11041551 is about 3322.8829350430. The cubic root of 11041551 is about 222.6776832590.

Adding to 11041551 its reverse (15514011), we get a palindrome (26555562).

The spelling of 11041551 in words is "eleven million, forty-one thousand, five hundred fifty-one".