11279655577 has 16 divisors (see below), whose sum is σ = 12082219200. Its totient is φ = 10498213440.

The previous prime is 11279655503. The next prime is 11279655581. The reversal of 11279655577 is 77555697211.

It is a cyclic number.

It is not a de Polignac number, because 11279655577 - 2¹¹ = 11279653529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11279655977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3205423 + ... + 3208939.

It is an arithmetic number, because the mean of its divisors is an integer number (755138700).

Almost surely, 2^11279655577 is an apocalyptic number.

It is an amenable number.

11279655577 is a deficient number, since it is larger than the sum of its proper divisors (802563623).

11279655577 is a wasteful number, since it uses less digits than its factorization.

11279655577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456.

The product of its digits is 4630500, while the sum is 55.

The spelling of 11279655577 in words is "eleven billion, two hundred seventy-nine million, six hundred fifty-five thousand, five hundred seventy-seven".