11030551 has 8 divisors (see below), whose sum is σ = 12947360. Its totient is φ = 9199008.

The previous prime is 11030543. The next prime is 11030561. The reversal of 11030551 is 15503011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11030551 - 2³ = 11030543 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 (11030531) 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, 21036 + ... + 21553.

It is an arithmetic number, because the mean of its divisors is an integer number (1618420).

Almost surely, 2^11030551 is an apocalyptic number.

11030551 is a deficient number, since it is larger than the sum of its proper divisors (1916809).

11030551 is an equidigital number, since it uses as much as digits as its factorization.

11030551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42633.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 11030551 is about 3321.2273333814. The cubic root of 11030551 is about 222.6037121180.

Adding to 11030551 its reverse (15503011), we get a palindrome (26533562).

The spelling of 11030551 in words is "eleven million, thirty thousand, five hundred fifty-one".