11711055 has 16 divisors (see below), whose sum is σ = 19245024. Its totient is φ = 6076800.

The previous prime is 11711053. The next prime is 11711057. The reversal of 11711055 is 55011711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11711053) and next prime (11711057).

It is not a de Polignac number, because 11711055 - 2¹ = 11711053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11711053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9996 + ... + 11105.

It is an arithmetic number, because the mean of its divisors is an integer number (1202814).

Almost surely, 2^11711055 is an apocalyptic number.

11711055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11711055 is a deficient number, since it is larger than the sum of its proper divisors (7533969).

11711055 is a wasteful number, since it uses less digits than its factorization.

11711055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21146.

The product of its (nonzero) digits is 175, while the sum is 21.

The square root of 11711055 is about 3422.1418731549. The cubic root of 11711055 is about 227.0903467987.

Adding to 11711055 its reverse (55011711), we get a palindrome (66722766).

The spelling of 11711055 in words is "eleven million, seven hundred eleven thousand, fifty-five".