11146809556 has 12 divisors (see below), whose sum is σ = 19696304992. Its totient is φ = 5519293848.

The previous prime is 11146809521. The next prime is 11146809587. The reversal of 11146809556 is 65590864111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13527270 + ... + 13528093.

Almost surely, 2^11146809556 is an apocalyptic number.

It is an amenable number.

11146809556 is a deficient number, since it is larger than the sum of its proper divisors (8549495436).

11146809556 is a wasteful number, since it uses less digits than its factorization.

11146809556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27055470 (or 27055468 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 11146809556 in words is "eleven billion, one hundred forty-six million, eight hundred nine thousand, five hundred fifty-six".