11020055 has 4 divisors (see below), whose sum is σ = 13224072. Its totient is φ = 8816040.

The previous prime is 11020049. The next prime is 11020081. The reversal of 11020055 is 55002011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11020055 - 2⁴ = 11020039 is a prime.

It is a super-2 number, since 2×11020055² = 242883224406050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102001 + ... + 1102010.

It is an arithmetic number, because the mean of its divisors is an integer number (3306018).

Almost surely, 2^11020055 is an apocalyptic number.

11020055 is a deficient number, since it is larger than the sum of its proper divisors (2204017).

11020055 is an equidigital number, since it uses as much as digits as its factorization.

11020055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204016.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 11020055 is about 3319.6468185637. The cubic root of 11020055 is about 222.5330843367.

Adding to 11020055 its reverse (55002011), we get a palindrome (66022066).

It can be divided in two parts, 110 and 20055, that multiplied together give a triangular number (2206050 = T₂₁₀₀).

The spelling of 11020055 in words is "eleven million, twenty thousand, fifty-five".