11000055 has 32 divisors (see below), whose sum is σ = 19365120. Its totient is φ = 5287680.

The previous prime is 11000053. The next prime is 11000057. The reversal of 11000055 is 55000011.

It is an interprime number because it is at equal distance from previous prime (11000053) and next prime (11000057).

It is not a de Polignac number, because 11000055 - 2¹ = 11000053 is a prime.

It is a nialpdrome in base 15.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11000055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26691 + ... + 27099.

It is an arithmetic number, because the mean of its divisors is an integer number (605160).

Almost surely, 2^11000055 is an apocalyptic number.

11000055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11000055 is a deficient number, since it is larger than the sum of its proper divisors (8365065).

11000055 is a wasteful number, since it uses less digits than its factorization.

11000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 11000055 is about 3316.6330819070. The cubic root of 11000055 is about 222.3983797197.

Adding to 11000055 its reverse (55000011), we get a palindrome (66000066).

The spelling of 11000055 in words is "eleven million, fifty-five", and thus it is an aban number and an uban number.