11135444505 has 16 divisors (see below), whose sum is σ = 18431081280. Its totient is φ = 5734113728.

The previous prime is 11135444477. The next prime is 11135444521. The reversal of 11135444505 is 50544453111.

It is a cyclic number.

It is not a de Polignac number, because 11135444505 - 2⁷ = 11135444377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12798927 + ... + 12799796.

It is an arithmetic number, because the mean of its divisors is an integer number (1151942580).

Almost surely, 2^11135444505 is an apocalyptic number.

11135444505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11135444505 is a deficient number, since it is larger than the sum of its proper divisors (7295636775).

11135444505 is a wasteful number, since it uses less digits than its factorization.

11135444505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25598760.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 11135444505 its reverse (50544453111), we get a palindrome (61679897616).

The spelling of 11135444505 in words is "eleven billion, one hundred thirty-five million, four hundred forty-four thousand, five hundred five".