11146639055 has 16 divisors (see below), whose sum is σ = 13741251744. Its totient is φ = 8673920640.

The previous prime is 11146639039. The next prime is 11146639061. The reversal of 11146639055 is 55093664111.

11146639055 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 11146639055 - 2⁴ = 11146639039 is a prime.

It is a Duffinian number.

It is a congruent 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, 995840 + ... + 1006970.

It is an arithmetic number, because the mean of its divisors is an integer number (858828234).

Almost surely, 2^11146639055 is an apocalyptic number.

11146639055 is a deficient number, since it is larger than the sum of its proper divisors (2594612689).

11146639055 is a wasteful number, since it uses less digits than its factorization.

11146639055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16586.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 11146639055 in words is "eleven billion, one hundred forty-six million, six hundred thirty-nine thousand, fifty-five".