11050551 has 12 divisors (see below), whose sum is σ = 15995928. Its totient is φ = 7351344.

The previous prime is 11050547. The next prime is 11050579. The reversal of 11050551 is 15505011.

11050551 is a `hidden beast` number, since 110 + 5 + 0 + 551 = 666.

11050551 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 11050551 - 2² = 11050547 is a prime.

It is a super-2 number, since 2×11050551² = 244229354807202, which contains 22 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11050591) 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, 4516 + ... + 6518.

It is an arithmetic number, because the mean of its divisors is an integer number (1332994).

Almost surely, 2^11050551 is an apocalyptic number.

11050551 is a deficient number, since it is larger than the sum of its proper divisors (4945377).

11050551 is a wasteful number, since it uses less digits than its factorization.

11050551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 11050551 is about 3324.2369049152. The cubic root of 11050551 is about 222.7381685682.

Adding to 11050551 its reverse (15505011), we get a palindrome (26555562).

The spelling of 11050551 in words is "eleven million, fifty thousand, five hundred fifty-one".