11105148065 has 16 divisors (see below), whose sum is σ = 14541494976. Its totient is φ = 8074334400.

The previous prime is 11105148049. The next prime is 11105148157. The reversal of 11105148065 is 56084150111.

11105148065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11105148065 - 2⁴ = 11105148049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200450 + ... + 249780.

It is an arithmetic number, because the mean of its divisors is an integer number (908843436).

Almost surely, 2^11105148065 is an apocalyptic number.

It is an amenable number.

11105148065 is a deficient number, since it is larger than the sum of its proper divisors (3436346911).

11105148065 is a wasteful number, since it uses less digits than its factorization.

11105148065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53440.

The product of its (nonzero) digits is 4800, while the sum is 32.

Adding to 11105148065 its reverse (56084150111), we get a palindrome (67189298176).

The spelling of 11105148065 in words is "eleven billion, one hundred five million, one hundred forty-eight thousand, sixty-five".