11051055 has 24 divisors (see below), whose sum is σ = 19253520. Its totient is φ = 5863680.

The previous prime is 11051039. The next prime is 11051057. The reversal of 11051055 is 55015011.

It is not a de Polignac number, because 11051055 - 2⁴ = 11051039 is a prime.

It is a super-2 number, since 2×11051055² = 244251633226050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10336 + ... + 11354.

It is an arithmetic number, because the mean of its divisors is an integer number (802230).

Almost surely, 2^11051055 is an apocalyptic number.

11051055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11051055 is a deficient number, since it is larger than the sum of its proper divisors (8202465).

11051055 is a wasteful number, since it uses less digits than its factorization.

11051055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271 (or 1268 counting only the distinct ones).

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

The square root of 11051055 is about 3324.3127109224. The cubic root of 11051055 is about 222.7415547743.

Adding to 11051055 its reverse (55015011), we get a palindrome (66066066).

The spelling of 11051055 in words is "eleven million, fifty-one thousand, fifty-five".