11111055 has 8 divisors (see below), whose sum is σ = 17777712. Its totient is φ = 5925888.

The previous prime is 11111053. The next prime is 11111069. The reversal of 11111055 is 55011111.

11111055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11111055 - 2¹ = 11111053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 740737 = 11111055 / (1 + 1 + 1 + 1 + 1 + 0 + 5 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111053) 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, 370354 + ... + 370383.

It is an arithmetic number, because the mean of its divisors is an integer number (2222214).

Almost surely, 2^11111055 is an apocalyptic number.

11111055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11111055 is a deficient number, since it is larger than the sum of its proper divisors (6666657).

11111055 is an equidigital number, since it uses as much as digits as its factorization.

11111055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740745.

The product of its (nonzero) digits is 25, while the sum is 15.

The square root of 11111055 is about 3333.3249166560. The cubic root of 11111055 is about 223.1439410672.

Adding to 11111055 its reverse (55011111), we get a palindrome (66122166).

The spelling of 11111055 in words is "eleven million, one hundred eleven thousand, fifty-five".